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Vulnerability Details :

CVE-2026-47838

Summary
Assigner-vmware
Assigner Org ID-dcf2e128-44bd-42ed-91e8-88f912c1401d
Published At-09 Jun, 2026 | 23:50
Updated At-30 Jun, 2026 | 21:49
Rejected At-
Credits

Unauthorized User Impersonation when Using X.509 Client Certificates

SubjectDnX509PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user. Affected versions: Spring Security 5.7.0 through 5.7.24; 5.8.0 through 5.8.26; 6.3.0 through 6.3.17; 6.4.0 through 6.4.17; 6.5.0 through 6.5.10.

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)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:vmware
Assigner Org ID:dcf2e128-44bd-42ed-91e8-88f912c1401d
Published At:09 Jun, 2026 | 23:50
Updated At:30 Jun, 2026 | 21:49
Rejected At:
â–¼CVE Numbering Authority (CNA)
Unauthorized User Impersonation when Using X.509 Client Certificates

SubjectDnX509PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user. Affected versions: Spring Security 5.7.0 through 5.7.24; 5.8.0 through 5.8.26; 6.3.0 through 6.3.17; 6.4.0 through 6.4.17; 6.5.0 through 6.5.10.

Affected Products
Vendor
VMware (Broadcom Inc.)Spring
Product
Spring Security
Default Status
unaffected
Versions
Affected
  • From 5.7.0 before 5.7.25 (custom)
  • From 5.8.0 before 5.8.27 (custom)
  • From 6.3.0 before 6.3.18 (custom)
  • From 6.4.0 before 6.4.18 (custom)
  • From 6.5.0 before 6.5.10.2 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-287CWE-287: Improper Authentication
Type: CWE
CWE ID: CWE-287
Description: CWE-287: Improper Authentication
Metrics
VersionBase scoreBase severityVector
3.16.8MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Version: 3.1
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
N/AAn attacker who can present a carefully crafted X.509 certificate with a malformed CN value can impersonate another user via SubjectDnX509PrincipalExtractor.
CAPEC ID: N/A
Description: An attacker who can present a carefully crafted X.509 certificate with a malformed CN value can impersonate another user via SubjectDnX509PrincipalExtractor.
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://spring.io/security/cve-2026-47838
N/A
Hyperlink: https://spring.io/security/cve-2026-47838
Resource: N/A
â–¼Authorized 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
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@vmware.com
Published At:10 Jun, 2026 | 00:16
Updated At:23 Jul, 2026 | 09:10

SubjectDnX509PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user. Affected versions: Spring Security 5.7.0 through 5.7.24; 5.8.0 through 5.8.26; 6.3.0 through 6.3.17; 6.4.0 through 6.4.17; 6.5.0 through 6.5.10.

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
Secondary3.16.8MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Primary3.18.1HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
N/A
Type: Secondary
Version: 3.1
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Type: Primary
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches

VMware (Broadcom Inc.)
vmware
>>spring_security>>Versions before 5.7.25(exclusive)
cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*
VMware (Broadcom Inc.)
vmware
>>spring_security>>Versions from 5.8.0(inclusive) to 5.8.27(exclusive)
cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*
VMware (Broadcom Inc.)
vmware
>>spring_security>>Versions from 6.3.0(inclusive) to 6.3.18(exclusive)
cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*
VMware (Broadcom Inc.)
vmware
>>spring_security>>Versions from 6.4.0(inclusive) to 6.4.18(exclusive)
cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*
VMware (Broadcom Inc.)
vmware
>>spring_security>>Versions from 6.5.0(inclusive) to 6.5.11(exclusive)
cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-287Secondarysecurity@vmware.com
CWE ID: CWE-287
Type: Secondary
Source: security@vmware.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://spring.io/security/cve-2026-47838security@vmware.com
Vendor Advisory
Hyperlink: https://spring.io/security/cve-2026-47838
Source: security@vmware.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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Matching Score-4
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||
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KEV Action Due Date-Not Available
Authentication granted with multiple firewalls

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. A vulnerability related to firewall authentication is in Symfony starting with version 5.3.0 and prior to 5.3.2. When an application defines multiple firewalls, the token authenticated by one of the firewalls was available for all other firewalls. This could be abused when the application defines different providers for each part of the application, in such a situation, a user authenticated on a part of the application could be considered authenticated on the rest of the application. Starting in version 5.3.2, a patch ensures that the authenticated token is only available for the firewall that generates it.

Action-Not Available
Vendor-sensiolabssymfony
Product-symfonysymfony
CWE ID-CWE-287
Improper Authentication
CVE-2021-3046
Matching Score-4
Assigner-Palo Alto Networks, Inc.
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Matching Score-4
Assigner-Palo Alto Networks, Inc.
CVSS Score-6.8||MEDIUM
EPSS-1.12% / 62.69%
||
7 Day CHG~0.00%
Published-11 Aug, 2021 | 17:10
Updated-17 Sep, 2024 | 02:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
PAN-OS: Improper SAML Authentication Vulnerability in GlobalProtect Portal

An improper authentication vulnerability exists in Palo Alto Networks PAN-OS software that enables a SAML authenticated attacker to impersonate any other user in the GlobalProtect Portal and GlobalProtect Gateway when they are configured to use SAML authentication. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.19; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.9; PAN-OS 10.0 versions earlier than PAN-OS 10.0.5. PAN-OS 10.1 versions are not impacted.

Action-Not Available
Vendor-Palo Alto Networks, Inc.
Product-pan-osPAN-OS
CWE ID-CWE-287
Improper Authentication
CVE-2023-39349
Matching Score-4
Assigner-GitHub, Inc.
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Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-8.1||HIGH
EPSS-0.85% / 54.35%
||
7 Day CHG~0.00%
Published-07 Aug, 2023 | 18:27
Updated-04 Oct, 2024 | 19:12
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Sentry vulnerable to privilege escalation via ApiTokensEndpoint

Sentry is an error tracking and performance monitoring platform. Starting in version 22.1.0 and prior to version 23.7.2, an attacker with access to a token with few or no scopes can query `/api/0/api-tokens/` for a list of all tokens created by a user, including tokens with greater scopes, and use those tokens in other requests. There is no evidence that the issue was exploited on `sentry.io`. For self-hosted users, it is advised to rotate user auth tokens. A fix is available in version 23.7.2 of `sentry` and `self-hosted`. There are no known workarounds.

Action-Not Available
Vendor-sentrygetsentrygetsentry
Product-sentrysentrysentry
CWE ID-CWE-287
Improper Authentication
CWE ID-CWE-284
Improper Access Control
CVE-2021-23923
Matching Score-4
Assigner-MITRE Corporation
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Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.1||HIGH
EPSS-0.76% / 51.43%
||
7 Day CHG~0.00%
Published-01 Apr, 2021 | 21:44
Updated-03 Aug, 2024 | 19:14
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in Devolutions Server before 2020.3. There is Broken Authentication with Windows domain users.

Action-Not Available
Vendor-n/aDevolutions
Product-devolutions_servern/a
CWE ID-CWE-287
Improper Authentication
CVE-2020-4779
Matching Score-4
Assigner-IBM Corporation
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Matching Score-4
Assigner-IBM Corporation
CVSS Score-8.1||HIGH
EPSS-1.11% / 62.65%
||
7 Day CHG~0.00%
Published-12 Oct, 2020 | 13:05
Updated-16 Sep, 2024 | 20:12
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A HTTP Verb Tampering vulnerability may impact IBM Curam Social Program Management 7.0.9 and 7.0.10. By sending a specially-crafted request, an attacker could exploit this vulnerability to bypass security access controls. IBM X-Force ID: 189156.

Action-Not Available
Vendor-IBM Corporation
Product-curam_social_program_managementCuram SPM
CWE ID-CWE-287
Improper Authentication
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