EUVD-2026-39172
GHSA-6q88-cw72-pm5w
Severity by source
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Local access to server logs (AV:L) and high OS/admin privileges (PR:H) required; only confidentiality impacted, no integrity or availability effect.
Primary rating from Vendor (gitlab).
CVSS VectorVendor: gitlab
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionCVE.org
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.3 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed sensitive information to be written to application logs due to insufficient filtering in a CI/CD API endpoint.
AnalysisAI
Sensitive data exposure in GitLab CE/EE affects all instances running versions from 9.3 through 18.11.5, 19.0 through 19.0.2, and 19.1.0, where under certain conditions a CI/CD API endpoint fails to adequately filter sensitive information before writing it to application logs. A high-privileged local actor who can access application log files on the GitLab server may recover sensitive data that should never have been persisted. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires two concurrent prerequisites: (1) local file-system access to the GitLab server's application log directory, which is restricted to OS administrators and the GitLab service account by default; and (2) high-privilege status as reflected by PR:H in the CVSS vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The vendor-assigned CVSS 3.1 score of 4.4 (Medium) reflects the constrained exploitation path: AV:L requires the attacker to have local access to the GitLab server file system to read the logs; PR:H means the attacker must already hold high system or GitLab privileges. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A GitLab server administrator or an OS-level user with read access to the application log directory triggers a CI/CD API operation under the undisclosed conditions that cause insufficient filtering, causing sensitive values (such as masked CI/CD variables, job tokens, or credentials) to appear in plain text in the application logs. The attacker then reads the log files directly from disk to extract those secrets and use them for lateral movement or privilege escalation within CI/CD pipelines. … |
| Remediation | Upgrade GitLab CE/EE to one of the vendor-patched releases: 18.11.6, 19.0.3, or 19.1.1, as documented in the patch advisory at https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/. … Detailed patch versions, workarounds, and compensating controls in full report. |
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