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Vulnerability Details :

CVE-2026-37981

Summary
Assigner-redhat
Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749
Published At-19 May, 2026 | 10:28
Updated At-19 May, 2026 | 12:06
Rejected At-
Credits

Keycloak: org.keycloak.authorization: keycloak: information disclosure via broken access control in user lookup endpoint

A flaw was found in Keycloak. A broken access control vulnerability in the Account Resources user lookup endpoint allows a remote authenticated user, who owns at least one User-Managed Access (UMA) resource, to enumerate and harvest personally identifiable information (PII) for all realm users. By sending crafted requests with arbitrary usernames or email values, the endpoint returns full profile objects for unrelated users. This leads to broad profile-level information disclosure.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:redhat
Assigner Org ID:53f830b8-0a3f-465b-8143-3b8a9948e749
Published At:19 May, 2026 | 10:28
Updated At:19 May, 2026 | 12:06
Rejected At:
▼CVE Numbering Authority (CNA)
Keycloak: org.keycloak.authorization: keycloak: information disclosure via broken access control in user lookup endpoint

A flaw was found in Keycloak. A broken access control vulnerability in the Account Resources user lookup endpoint allows a remote authenticated user, who owns at least one User-Managed Access (UMA) resource, to enumerate and harvest personally identifiable information (PII) for all realm users. By sending crafted requests with arbitrary usernames or email values, the endpoint returns full profile objects for unrelated users. This leads to broad profile-level information disclosure.

Affected Products
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Build of Keycloak
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
rhbk/keycloak-rhel9
CPEs
  • cpe:/a:redhat:build_keycloak:
Default Status
affected
Problem Types
TypeCWE IDDescription
CWECWE-1220Insufficient Granularity of Access Control
Type: CWE
CWE ID: CWE-1220
Description: Insufficient Granularity of Access Control
Metrics
VersionBase scoreBase severityVector
3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Metrics Other Info
Red Hat severity rating
value:
Moderate
namespace:
https://access.redhat.com/security/updates/classification/
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Exploits

Credits

Red Hat would like to thank XavLimSG for reporting this issue.
Timeline
EventDate
Reported to Red Hat.2026-04-06 07:53:20
Made public.2026-05-19 10:19:46
Event: Reported to Red Hat.
Date: 2026-04-06 07:53:20
Event: Made public.
Date: 2026-05-19 10:19:46
Replaced By

Rejected Reason

References
HyperlinkResource
https://access.redhat.com/security/cve/CVE-2026-37981
vdb-entry
x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2455326
issue-tracking
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/security/cve/CVE-2026-37981
Resource:
vdb-entry
x_refsource_REDHAT
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2455326
Resource:
issue-tracking
x_refsource_REDHAT
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:secalert@redhat.com
Published At:19 May, 2026 | 12:16
Updated At:19 May, 2026 | 12:16

A flaw was found in Keycloak. A broken access control vulnerability in the Account Resources user lookup endpoint allows a remote authenticated user, who owns at least one User-Managed Access (UMA) resource, to enumerate and harvest personally identifiable information (PII) for all realm users. By sending crafted requests with arbitrary usernames or email values, the endpoint returns full profile objects for unrelated users. This leads to broad profile-level information disclosure.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Type: Primary
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-1220Primarysecalert@redhat.com
CWE ID: CWE-1220
Type: Primary
Source: secalert@redhat.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://access.redhat.com/security/cve/CVE-2026-37981secalert@redhat.com
N/A
https://bugzilla.redhat.com/show_bug.cgi?id=2455326secalert@redhat.com
N/A
Hyperlink: https://access.redhat.com/security/cve/CVE-2026-37981
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2455326
Source: secalert@redhat.com
Resource: N/A

Change History

0
Information is not available yet

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||
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Rejected-Not Available
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Matching Score-6
Assigner-Red Hat, Inc.
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Matching Score-6
Assigner-Red Hat, Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.07% / 21.79%
||
7 Day CHG~0.00%
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Insufficient Granularity of Access Control
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Matching Score-6
Assigner-Red Hat, Inc.
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Matching Score-6
Assigner-Red Hat, Inc.
CVSS Score-9.1||CRITICAL
EPSS-0.11% / 29.12%
||
7 Day CHG~0.00%
Published-30 Sep, 2025 | 15:06
Updated-26 Feb, 2026 | 17:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Freeipa: idm: privilege escalation from host to domain admin in freeipa

A privilege escalation flaw from host to domain administrator was found in FreeIPA. This vulnerability is similar to CVE-2025-4404, where it fails to validate the uniqueness of the krbCanonicalName. While the previously released version added validations for the admin@REALM credential, FreeIPA still does not validate the root@REALM canonical name, which can also be used as the realm administrator's name. This flaw allows an attacker to perform administrative tasks over the REALM, leading to access to sensitive data and sensitive data exfiltration.

Action-Not Available
Vendor-Red Hat, Inc.
Product-Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 9Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 10Red Hat Enterprise Linux 6Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.0 Update Services for SAP Solutions
CWE ID-CWE-1220
Insufficient Granularity of Access Control
CVE-2023-4456
Matching Score-6
Assigner-Red Hat, Inc.
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Matching Score-6
Assigner-Red Hat, Inc.
CVSS Score-5.7||MEDIUM
EPSS-0.10% / 27.84%
||
7 Day CHG+0.02%
Published-21 Aug, 2023 | 15:19
Updated-20 Nov, 2025 | 18:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Openshift-logging: lokistack authorisation is cached too broadly

A flaw was found in openshift-logging LokiStack. The key used for caching is just the token, which is too broad. This issue allows a user with a token valid for one action to execute other actions as long as the authorization allowing the original action is still cached.

Action-Not Available
Vendor-Red Hat, Inc.
Product-openshift_loggingRHOL-5.5-RHEL-8RHOL-5.6-RHEL-8RHOL-5.7-RHEL-8
CWE ID-CWE-1220
Insufficient Granularity of Access Control
CVE-2023-39418
Matching Score-6
Assigner-Red Hat, Inc.
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Matching Score-6
Assigner-Red Hat, Inc.
CVSS Score-3.1||LOW
EPSS-0.44% / 63.31%
||
7 Day CHG~0.00%
Published-11 Aug, 2023 | 12:19
Updated-21 Nov, 2025 | 07:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Postgresql: merge fails to enforce update or select row security policies

A vulnerability was found in PostgreSQL with the use of the MERGE command, which fails to test new rows against row security policies defined for UPDATE and SELECT. If UPDATE and SELECT policies forbid some rows that INSERT policies do not forbid, a user could store such rows.

Action-Not Available
Vendor-Red Hat, Inc.The PostgreSQL Global Development GroupDebian GNU/Linux
Product-debian_linuxpostgresqlenterprise_linuxRed Hat Enterprise Linux 8.8 Extended Update SupportRed Hat Enterprise Linux 9Red Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Software CollectionsRed Hat Enterprise Linux 9.2 Extended Update SupportRed Hat Enterprise Linux 8
CWE ID-CWE-1220
Insufficient Granularity of Access Control
CVE-2025-4404
Matching Score-6
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-6
Assigner-Red Hat, Inc.
CVSS Score-9.1||CRITICAL
EPSS-0.29% / 52.73%
||
7 Day CHG~0.00%
Published-17 Jun, 2025 | 13:39
Updated-05 Mar, 2026 | 20:41
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Freeipa: idm: privilege escalation from host to domain admin in freeipa

A privilege escalation from host to domain vulnerability was found in the FreeIPA project. The FreeIPA package fails to validate the uniqueness of the `krbCanonicalName` for the admin account by default, allowing users to create services with the same canonical name as the REALM admin. When a successful attack happens, the user can retrieve a Kerberos ticket in the name of this service, containing the admin@REALM credential. This flaw allows an attacker to perform administrative tasks over the REALM, leading to access to sensitive data and sensitive data exfiltration.

Action-Not Available
Vendor-Red Hat, Inc.
Product-Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 10Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 6Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 9Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 8
CWE ID-CWE-1220
Insufficient Granularity of Access Control
CVE-2026-40690
Matching Score-4
Assigner-Apache Software Foundation
ShareView Details
Matching Score-4
Assigner-Apache Software Foundation
CVSS Score-4.3||MEDIUM
EPSS-0.07% / 22.04%
||
7 Day CHG+0.01%
Published-24 Apr, 2026 | 12:35
Updated-27 Apr, 2026 | 12:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Airflow: Assets graph view bypasses DAG level access control displaying unrelated topologies and all DAGs names to unauthorized users

The asset dependency graph did not restrict nodes by the viewer's DAG read permissions: a user with read access to at least one DAG could browse the asset graph for any other asset in the deployment and learn the existence and names of DAGs and assets outside their authorized scope. Users are recommended to upgrade to version 3.2.1, which fixes this issue.

Action-Not Available
Vendor-The Apache Software Foundation
Product-airflowApache Airflow
CWE ID-CWE-1220
Insufficient Granularity of Access Control
CVE-2026-38743
Matching Score-4
Assigner-Apache Software Foundation
ShareView Details
Matching Score-4
Assigner-Apache Software Foundation
CVSS Score-4.3||MEDIUM
EPSS-0.06% / 17.17%
||
7 Day CHG~0.00%
Published-24 Apr, 2026 | 12:36
Updated-27 Apr, 2026 | 12:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Airflow: Dags endpoint might provide access to otherwise inaccessible entities

The authenticated /ui/dags endpoint did not enforce per-DAG access control on embedded Human-in-the-Loop (HITL) and TaskInstance records: a logged-in Airflow user with read access to at least one DAG could retrieve HITL prompts (including their request parameters) and full TaskInstance details for DAGs outside their authorized scope. Because HITL prompts and TaskInstance fields routinely carry operator parameters and free-form context attached to a task, the leak widens visibility of DAG-run data beyond the intended per-DAG RBAC boundary for every authenticated user. Users are recommended to upgrade to version 3.2.1 , which fixes this issue.

Action-Not Available
Vendor-The Apache Software Foundation
Product-airflowApache Airflow
CWE ID-CWE-1220
Insufficient Granularity of Access Control
CVE-2022-1177
Matching Score-4
Assigner-Protect AI (formerly huntr.dev)
ShareView Details
Matching Score-4
Assigner-Protect AI (formerly huntr.dev)
CVSS Score-6.5||MEDIUM
EPSS-3.31% / 87.38%
||
7 Day CHG~0.00%
Published-30 Mar, 2022 | 11:00
Updated-02 Aug, 2024 | 23:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Accounting User Can Download Patient Reports in openemr in openemr/openemr

Accounting User Can Download Patient Reports in openemr in GitHub repository openemr/openemr prior to 6.1.0.

Action-Not Available
Vendor-OpenEMR Foundation, Inc
Product-openemropenemr/openemr
CWE ID-CWE-1220
Insufficient Granularity of Access Control
CWE ID-CWE-863
Incorrect Authorization
CVE-2025-7001
Matching Score-4
Assigner-GitLab Inc.
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Matching Score-4
Assigner-GitLab Inc.
CVSS Score-4.3||MEDIUM
EPSS-0.02% / 6.59%
||
7 Day CHG~0.00%
Published-24 Jul, 2025 | 06:05
Updated-28 Jul, 2025 | 14:36
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Insufficient Granularity of Access Control in GitLab

An issue has been discovered in GitLab CE/EE affecting all versions from 15.0 before 18.0.5, 18.1 before 18.1.3, and 18.2 before 18.2.1 that could have allowed priviledged users to access certain resource_group information through the API which should have been unavailable.

Action-Not Available
Vendor-GitLab Inc.
Product-gitlabGitLab
CWE ID-CWE-1220
Insufficient Granularity of Access Control
CVE-2025-20305
Matching Score-4
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-4
Assigner-Cisco Systems, Inc.
CVSS Score-4.3||MEDIUM
EPSS-0.04% / 12.68%
||
7 Day CHG~0.00%
Published-05 Nov, 2025 | 16:32
Updated-04 Dec, 2025 | 20:41
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A vulnerability in the web-based management interface of Cisco ISE could allow an authenticated, remote attacker to obtain sensitive information from an affected device. This vulnerability exists because certain files lack proper data protection mechanisms. An attacker with read-only Administrator privileges could exploit this vulnerability by performing actions where the results should only be viewable to a high-privileged user. A successful exploit could allow the attacker to view passwords that are normally not visible to read-only administrators.

Action-Not Available
Vendor-Cisco Systems, Inc.
Product-identity_services_engineCisco Identity Services Engine Software
CWE ID-CWE-1220
Insufficient Granularity of Access Control
CVE-2025-1110
Matching Score-4
Assigner-GitLab Inc.
ShareView Details
Matching Score-4
Assigner-GitLab Inc.
CVSS Score-2.7||LOW
EPSS-0.03% / 8.71%
||
7 Day CHG~0.00%
Published-22 May, 2025 | 14:02
Updated-29 May, 2025 | 15:58
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Insufficient Granularity of Access Control in GitLab

An issue has been discovered in GitLab CE/EE affecting all versions from 18.0 before 18.0.1. In certain circumstances, a user with limited permissions could access Job Data via a crafted GraphQL query.

Action-Not Available
Vendor-GitLab Inc.
Product-gitlabGitLab
CWE ID-CWE-1220
Insufficient Granularity of Access Control
CWE ID-CWE-863
Incorrect Authorization
CVE-2025-2498
Matching Score-4
Assigner-GitLab Inc.
ShareView Details
Matching Score-4
Assigner-GitLab Inc.
CVSS Score-3.1||LOW
EPSS-0.02% / 4.63%
||
7 Day CHG~0.00%
Published-13 Aug, 2025 | 17:27
Updated-15 Aug, 2025 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Insufficient Granularity of Access Control in GitLab

An improper access control in Gitlab EE affecting all versions from 12.0 prior to 18.0.6, 18.1 prior to 18.1.4, and 18.2 prior to 18.2.2 that under certain conditions could have allowed users to view assigned issues from restricted groups by bypassing IP restrictions.

Action-Not Available
Vendor-GitLab Inc.
Product-gitlabGitLab
CWE ID-CWE-1220
Insufficient Granularity of Access Control
Details not found