GitLab 9.4.x before 9.4.2 does not support LDAP SSL certificate verification, but a…
Priority LOW 28CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-295.
Summary
GitLab 9.4.x before 9.4.2 does not support LDAP SSL certificate verification, but a verify_certificates LDAP option was mentioned in the 9.4 release announcement. This issue occurred because code was not merged. This is related to use of the omniauth-ldap library and the gitlab_omniauth-ldap gem.
Why it matters now
EPSS 0.00927 60th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gitlab:gitlab:9.4.0:*:*:*:*:*:*:* | 9.4.0 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:9.4.0:rc1:*:*:*:*:*:* | 9.4.0 rc1 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:9.4.0:rc2:*:*:*:*:*:* | 9.4.0 rc2 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:9.4.0:rc3:*:*:*:*:*:* | 9.4.0 rc3 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:9.4.0:rc4:*:*:*:*:*:* | 9.4.0 rc4 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:9.4.0:rc5:*:*:*:*:*:* | 9.4.0 rc5 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:9.4.0:rc6:*:*:*:*:*:* | 9.4.0 rc6 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:9.4.1:*:*:*:*:*:*:* | 9.4.1 | Vulnerable | GitLab |
- cpe:2.3:a:gitlab:gitlab:9.4.0:*:*:*:*:*:*:* Versions 9.4.0 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:9.4.0:rc1:*:*:*:*:*:* Versions 9.4.0 rc1 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:9.4.0:rc2:*:*:*:*:*:* Versions 9.4.0 rc2 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:9.4.0:rc3:*:*:*:*:*:* Versions 9.4.0 rc3 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:9.4.0:rc4:*:*:*:*:*:* Versions 9.4.0 rc4 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:9.4.0:rc5:*:*:*:*:*:* Versions 9.4.0 rc5 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:9.4.0:rc6:*:*:*:*:*:* Versions 9.4.0 rc6 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:9.4.1:*:*:*:*:*:*:* Versions 9.4.1 Vulnerable ·GitLab
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-17716
- 2026-10-03 Alias added: GHSA-3493-8hqx-h937
References
More Gitlab vulnerabilities
- TI-2026-71508 Integer overflow in GitLab allows code execution on the server KEVCVSS 3.1CRITICAL 10.0
- TI-2026-58817 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab KEVCVSS 3.1CRITICAL 10.0
- TI-2023-06425 Weak Password Recovery Mechanism for Forgotten Password in GitLab KEVCVSS 3.1CRITICAL 10.0
- TI-2021-05191 Code injection in GitLab KEVCVSS 3.1CRITICAL 10.0
- TI-2021-05161 Server-side request forgery in GitLab KEVCVSS 3.1CRITICAL 9.8
- TI-2022-02763 Injection in GitLab CVSS 3.1CRITICAL 9.9
Sources
- CVE-2017-17716 · CVE Program
- CVE-2017-17716 · NVD
- FIRST EPSS
- GHSA-3493-8hqx-h937 · 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