Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab
Published Sep 12, 2026 ·Due Sep 14, 2026
10.0
CRITICALCVSS 3.1
EPSS 92.96%
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 18.11.12, 19.0 before 19.0.9, 19.1 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions, an unauthenticated user could have read arbitrary files from the GitLab server due to improper path confinement and missing authentication enforcement in the repository commits API.
Affected products
-
- Version 18.7StatusaffectedConstraints<18.11.12
- Version 19.0StatusaffectedConstraints<19.0.9
- Version 19.1StatusaffectedConstraints<19.1.8
- Version 19.2StatusaffectedConstraints<19.2.6
- Version 19.3StatusaffectedConstraints<19.3.2
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
Upgrade to versions 18.11.12, 19.0.9, 19.1.8, 19.2.6, 19.3.2 or above.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
Date Added
Sep 11, 2026
Patch Due
Sep 14, 2026
Required Action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Sep 12, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Sep–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (5 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 92.96% (0.92956) | 99.83th | v5 (v2026.06.15) |
| Sep 22, 2026 | 9.29% (0.09287) | 95.14th | v5 (v2026.06.15) |
| Sep 18, 2026 | 14.56% (0.14563) | 96.48th | v5 (v2026.06.15) |
| Sep 14, 2026 | 11.12% (0.11115) | 95.68th | v5 (v2026.06.15) |
| Sep 12, 2026 | 1.15% (0.01148) | 64.98th | v5 (v2026.06.15) |
References (3)
- https://gitlab.com/gitlab-org/gitlab/-/work_items/627748 Broken Link
- https://hackerone.com/reports/3909881 technical-descriptionexploitpermissions-requiredPermissions Required
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85706 government-resourceThird Party AdvisoryUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/work_items/627748 | Broken Link | |
| https://hackerone.com/reports/3909881 | technical-descriptionexploitpermissions-requiredPermissions Required | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85706 | government-resourceThird Party AdvisoryUS Government Resource |
Change history (0)
No recorded changes yet.