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Vulnerability Details :

CVE-2026-46745

Summary
Assigner-apache
Assigner Org ID-f0158376-9dc2-43b6-827c-5f631a4d8d09
Published At-25 May, 2026 | 10:41
Updated At-26 May, 2026 | 20:08
Rejected At-
Credits

Apache Airflow FAB provider: LDAP Filter Injection in FAB Auth Manager _search_ldap reachable via /auth/token

Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability (CWE-90) that allows unauthenticated attackers to exfiltrate directory data or bypass authentication. Upgrade to apache-airflow-providers-fab 3.6.4 or later. If immediate upgrade is not possible, disable LDAP authentication until the provider can be updated.

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:apache
Assigner Org ID:f0158376-9dc2-43b6-827c-5f631a4d8d09
Published At:25 May, 2026 | 10:41
Updated At:26 May, 2026 | 20:08
Rejected At:
▼CVE Numbering Authority (CNA)
Apache Airflow FAB provider: LDAP Filter Injection in FAB Auth Manager _search_ldap reachable via /auth/token

Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability (CWE-90) that allows unauthenticated attackers to exfiltrate directory data or bypass authentication. Upgrade to apache-airflow-providers-fab 3.6.4 or later. If immediate upgrade is not possible, disable LDAP authentication until the provider can be updated.

Affected Products
Vendor
The Apache Software FoundationApache Software Foundation
Product
Apache Airflow FAB provider
Collection URL
https://pypi.python.org
Package Name
apache-airflow-providers-fab
Default Status
unaffected
Versions
Affected
  • From 0 before 3.6.4 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-90CWE-90: (LDAP Injection)
Type: CWE
CWE ID: CWE-90
Description: CWE-90: (LDAP Injection)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Textual description of severity
text:
Moderate
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

finder
Venkatraman Kumar (r3dw0lfsec), Securin
remediation developer
orbisai0security (automated scanner — Orbis Security AI)
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/apache/airflow/pull/66417
patch
https://lists.apache.org/thread/dvfy0bs181xwsrjrd3y5c55ztbzm8yhh
vendor-advisory
Hyperlink: https://github.com/apache/airflow/pull/66417
Resource:
patch
Hyperlink: https://lists.apache.org/thread/dvfy0bs181xwsrjrd3y5c55ztbzm8yhh
Resource:
vendor-advisory
▼Authorized Data Publishers (ADP)
1. CVE Program Container
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
http://www.openwall.com/lists/oss-security/2026/05/24/10
N/A
Hyperlink: http://www.openwall.com/lists/oss-security/2026/05/24/10
Resource: N/A
2. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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:security@apache.org
Published At:25 May, 2026 | 11:16
Updated At:27 May, 2026 | 15:31

Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability (CWE-90) that allows unauthenticated attackers to exfiltrate directory data or bypass authentication. Upgrade to apache-airflow-providers-fab 3.6.4 or later. If immediate upgrade is not possible, disable LDAP authentication until the provider can be updated.

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
Secondary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Type: Secondary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CPE Matches

The Apache Software Foundation
apache
>>apache-airflow-providers-fab>>Versions before 3.6.4(exclusive)
cpe:2.3:a:apache:apache-airflow-providers-fab:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-90Secondarysecurity@apache.org
CWE ID: CWE-90
Type: Secondary
Source: security@apache.org
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/apache/airflow/pull/66417security@apache.org
Issue Tracking
Patch
https://lists.apache.org/thread/dvfy0bs181xwsrjrd3y5c55ztbzm8yhhsecurity@apache.org
Mailing List
Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/05/24/10af854a3a-2127-422b-91ae-364da2661108
Mailing List
Third Party Advisory
Hyperlink: https://github.com/apache/airflow/pull/66417
Source: security@apache.org
Resource:
Issue Tracking
Patch
Hyperlink: https://lists.apache.org/thread/dvfy0bs181xwsrjrd3y5c55ztbzm8yhh
Source: security@apache.org
Resource:
Mailing List
Vendor Advisory
Hyperlink: http://www.openwall.com/lists/oss-security/2026/05/24/10
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Mailing List
Third Party Advisory

Change History

0
Information is not available yet

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CWE ID-CWE-200
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CWE ID-CWE-90
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
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Matching Score-4
Assigner-Open-Xchange
ShareView Details
Matching Score-4
Assigner-Open-Xchange
CVSS Score-3.7||LOW
EPSS-0.04% / 12.02%
||
7 Day CHG-0.00%
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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-Open-Xchange AGDovecot
Product-dovecotOX Dovecot Pro
CWE ID-CWE-90
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
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