CVE-2023-3917
Improper Validation of Specified Type of Input in GitLab
Denial of Service in pipelines affecting all versions of Gitlab EE and CE prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 allows attacker to cause pipelines to fail.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Improper Validation of Specified Type of Input in GitLab
Denial of Service in pipelines affecting all versions of Gitlab EE and CE prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 allows attacker to cause pipelines to fail.
- Record
CVE-2023-3917- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-1287
- Updated
- 2026-11-02
EUVDEUVD-2023-44543
Denial of Service in pipelines affecting all versions of Gitlab EE and CE prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 allows attacker to cause pipelines to fail.
- Record
EUVD-2023-44543- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7jqp-vcg7-7x84
Denial of Service in pipelines affecting all versions of Gitlab EE and CE prior to 16.2.8, 16.3...
Denial of Service in pipelines affecting all versions of Gitlab EE and CE prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 allows attacker to cause pipelines to fail.
- Record
GHSA-7jqp-vcg7-7x84- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-20, CWE-1287
- Updated
- 2026-11-02
NVD
Denial of Service in pipelines affecting all versions of Gitlab EE and CE prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 allows attacker to cause pipelines to fail.
- Record
CVE-2023-3917- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-1287
- Updated
- 2026-11-02
OSV
Improper Validation of Specified Type of Input in GitLab
Denial of Service in pipelines affecting all versions of Gitlab EE and CE prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 allows attacker to cause pipelines to fail.
- Record
CVE-2023-3917- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-1287
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-3917
Denial of Service in pipelines affecting all versions of Gitlab EE and CE prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 allows attacker to cause pipelines to fail.
- Record
UBUNTU-CVE-2023-3917- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVBIT-gitlab-2023-3917 No score
Improper Validation of Specified Type of Input in GitLab
Denial of Service in pipelines affecting all versions of Gitlab EE and CE prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 allows attacker to cause pipelines to fail.
- Record
BIT-gitlab-2023-3917- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
gitlabBitnami |
before 16.2.8, 16.3.0 up to 16.3.5, 16.4.0 up to 16.4.1 | 16.2.816.3.516.4.1 |
gitlabUbuntu:16.04:LTS |
All versions, plus listed versions 8.4.3+dfsg-98.4.3+dfsg-128.5.8+dfsg-5 |
None known |
gitlab-agentUbuntu:24.04:LTS |
All versions, plus listed versions 14.1.0-116.1.3-2 |
None known |
gitlab-agentUbuntu:25.10 |
All versions, plus listed versions 16.1.3-2 |
None known |
gitlab-agentUbuntu:26.10 |
All versions, plus listed versions 16.1.3-2build1 |
None known |
gitlab-agentUbuntu:26.04:LTS |
All versions, plus listed versions 16.1.3-216.1.3-2build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-3917 is a medium vulnerability (CVSS 4.3) in Gitlab, published September 29, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.93%, the 60th percentile. Fixed in gitlab 16.2.8.