LDAP injection in Dockhand enables username enumeration
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Finsys Dockhand before 1.0.19 contains an LDAP injection flaw (CWE-90) in the tryLdapAuth function, which inserts the login username into the LDAP search filter without escaping wildcard characters. An unauthenticated remote attacker can send wildcard patterns to the login endpoint and measure response timing to enumerate valid LDAP usernames while evading per-username rate limiting.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
Finsys Dockhand through 1.0.18 contains an LDAP injection vulnerability in the tryLdapAuth function in src/lib/server/auth.ts, which inserts the login username into the LDAP search filter without escaping wildcard characters. Unauthenticated attackers can submit incremental wildcard patterns such as 'a*' to /api/auth/login and measure response timing to enumerate valid LDAP usernames while evading per-username rate limiting.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Update Finsys Dockhand to version 1.0.19 or later, which fixes the issue.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
- Fix · CNA dockhand (Finsys) Fixed in 1.0.19
Timeline
- 2026-10-13 Threatist record created from CVE-2026-110256
- 2026-10-13 Alias added: GHSA-vxrf-jvm9-v7fw
- 2026-10-14 Priority changed: MEDIUM → LOW
- 2026-10-26 CISA SSVC decision points changed
- 2026-10-26 Priority changed: LOW → MEDIUM
References
More Finsys vulnerabilities
- TI-2026-73418 Authentication bypass in Finsys Dockhand via static-asset check CVSS 4.0CRITICAL 10.0
- TI-2026-73458 Server-side request forgery in Finsys Dockhand template endpoint CVSS 4.0HIGH 8.4
- TI-2026-84331 Secret disclosure in Dockhand via Git stack webhook CVSS 4.0HIGH 7.1
- TI-2026-76803 Dockhand Arbitrary File Read via /api/system/files/content CVSS 4.0HIGH 7.1
- TI-2026-75363 Unauthenticated command execution in Dockhand container terminal CVSS 3.1CRITICAL 9.6
- TI-2026-73417 Finsys Dockhand OIDC privilege escalation via missing claim checks CVSS 4.0CRITICAL 9.2
Sources
- CVE-2026-110256 · CVE Program
- CVE-2026-110256 · NVD
- FIRST EPSS
- GHSA-vxrf-jvm9-v7fw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences