CVE-2026-108500: Apache ActiveMQ: LDAPAuthorizationMap allows authorization bypass via DN injection
CVE-2026-108500 key facts
- CISA KEV
- Not listed (catalogue checked )
- Highest advisory rating
- Medium
- CVSS base score
- 5.4 (Red Hat)
- Weakness
- CWE-20 Improper Input Validation
- Fixed releases
- Apache: 6.3.3, 5.19.12, 6.4.0
- Red Hat: 6.4.0, 6.3.3, 5.19.12
- Assigned by
- apache (CNA)
- CVE record published
- Listed by VulniPulse
- Record changed
Ratings, versions and fixes are quoted from the vendor advisories that cover only CVE-2026-108500; each belongs to its advisory, not to every product listed. How records are collected and checked.
Description
Input validation vulnerability in Apache ActiveMQ configured to use the LDAPAuthorizationMapPlugin allows an authenticated attacker to create or address a destination with a crafted name containing LDAP DN special characters (such as comma, plus, equals, backslash) can manipulate the LDAP search base used for ACL lookups. This issue affects Apache ActiveMQ: from 6.3.0 before 6.3.3, from 5.19.0 before 5.19.12. Users are recommended to upgrade to version 6.4.0, 6.3.3 or 5.19.12, which fixes the issue.
Text from the CVE.org record (apache).
How do I fix CVE-2026-108500?
Upgrade to a fixed release named by the vendor:
- Apache: 6.3.3, 5.19.12, 6.4.0
- Red Hat: 6.4.0, 6.3.3, 5.19.12
- Users are recommended to upgrade to version 6.4.0, 6.3.3 or 5.19.12, which fixes the issue. (Apache)
Vendor advisories for CVE-2026-108500
Apache
1 advisory- Advisory severityUnrated
Advisory [CVE-2026-108500] Input validation vulnerability in Apache ActiveMQ configured to use the LDAPAuthorizationMapPlugin allows an authenticated attacker to create or address a destination with a crafted name containing LDAP DN special characters (such as comma, plus, equals, backslash) can manipulate the LDAP search base used for ACL lookups
CVE-2026-108500Source published Source updated
Input validation vulnerability in Apache ActiveMQ configured to use the LDAPAuthorizationMapPlugin allows an authenticated attacker to create or address a destination with a crafted name containing LDAP DN special characters (such as comma, plus, equals, backslash) can manipulate the LDAP search base used for ACL lookups. This issue affects Apache ActiveMQ: from 6.3.0 before 6.3.3, from 5.19.0 before 5.19.12. Users are recommended to upgrade to version 6.4.0, 6.3.3 or 5.19.12, which fixes the issue.
- Affected products in this advisory
- Apache ActiveMQ
- Source-reported affected versions
- 6.3.0 before 6.3.3
- 5.19.0 before 5.19.12
- Source-reported fixed versions
- 6.3.3
- 5.19.12
- 6.4.0
- Mitigation guidance
- Users are recommended to upgrade to version 6.4.0, 6.3.3 or 5.19.12, which fixes the issue.
Red Hat
1 advisory- Advisory severityMedium5.4
Medium [CVE-2026-108500] Authorization bypass via crafted destination names in LDAP plugin
CVE-2026-108500Source published Source updated
Authorization bypass via crafted destination names in LDAP plugin. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-90. Affected product named by the advisory: Red Hat Fuse 7.
- Related products — impact not confirmed
- Red Hat Fuse 7
- Source-reported affected versions
- < 6.3.0
- < 6.3.3
- < 5.19.0
- < 5.19.12
- Source-reported fixed versions
- 6.4.0
- 6.3.3
- 5.19.12
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
References
- CVE-2026-108500 recordCVE.org
- CVE-2026-108500 detailNVD
- lists.apache.org/thread/0oh4k4ty6hv56d4sydjp26l95f4bsnxtvendor-advisory
Timeline
- CVE record published
- First vendor advisory listed by VulniPulse
- CVE record last updated
More Apache advisories
CVE-2026-108946Nov 4, 2026Improper input validation vulnerability in Apache ActiveMQ, Apache ActiveMQ KahaDBCVE-2026-111822Nov 4, 2026Apache ActiveMQ, Apache ActiveMQ Runtime Config: ActiveMQ retains write access after liveCVE-2026-111821Nov 4, 2026Apache ActiveMQ, Apache ActiveMQ KahaDB: Oversized client identifier strings poisonCVE-2026-108949Nov 4, 2026Apache ActiveMQ, ActiveMQ Broker: Repeated rejected temporary destination consumerCVE-2026-49877Jun 30, 2026Apache ActiveMQ: Improper Authorization vulnerability in Apache ActiveMQ.CVE-2026-39304Apr 10, 2026Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ
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