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CVE-2026-85706

CRITICAL 10 KNOWN EXPLOITED PoC CATALOGUED DETECTION TEMPLATE

Published 2026-09-12 · Last modified 2026-09-23

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.

ACTIVELY EXPLOITED

Confirmed exploited in the wild — in CISA KEV since 2026-09-11. Patch or mitigate now.

Exploitation likelihood

97.4%chance of exploitation in 30 days · 100th percentile

● In CISA KEV (2026-09-11) ● Catalogued PoC

Impact if exploited

10CVSS 3.1 · CRITICAL

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityNone

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

Public PoC or exploit resources are catalogued below.

Listed by the named source; Vulnpedia has not tested these resources.

PoC data: JSON

Detection templates

Detection checks are listed separately from PoCs.

Resource commands

nuclei -id CVE-2026-85706 -u https://TARGETDetection template — review its checks and affected versions before use.
curl -s https://vulnpedia.com/cve/CVE-2026-85706/poc.jsonMachine-readable PoC index for this CVE (for automation).

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked daily for recent CVEs, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Data snapshot:

Affected

Vendors Gitlab

Products Gitlab

Weakness (CWE)

  • CWE-22: : Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

References and research data (JSON)

Unverified PoC candidates

Catalogue matches for further research. These repositories have not been validated as working exploits.

13 candidates

Additional exploitation reports

Source-specific reports, separate from CISA KEV. Repeated observations from one source are not independent confirmations.

5 more source reports

Known Affected Software Configurations

VendorProductVersion range
GitlabGitlab≥ 18.7.0 and < 18.11.12
GitlabGitlab≥ 18.7.0 and < 18.11.12
GitlabGitlab≥ 19.0.0 and < 19.0.9
GitlabGitlab≥ 19.0.0 and < 19.0.9
GitlabGitlab≥ 19.1.0 and < 19.1.8
GitlabGitlab≥ 19.1.0 and < 19.1.8
GitlabGitlab≥ 19.2.0 and < 19.2.6
GitlabGitlab≥ 19.2.0 and < 19.2.6
GitlabGitlab≥ 19.3.0 and < 19.3.2
GitlabGitlab≥ 19.3.0 and < 19.3.2

All CVSS metrics

  • CRITICAL 10 v3.1 · CNA Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
  • CRITICAL 10 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

References

Exploit-tagged references (not proof of a PoC)

Advisories

Technical & other

Sources: NVD · CVE.org · EPSS