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CVE-2026-5377

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.11 before 18.11.1 that could have allowed an authenticated user to access titles of confidential or private issues in public projects due to improper access control in the issue description rendering process.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8c8b028952c9f2bc9d9070b86a473affa1f030a9858014514293c8cc7c16b020
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","product":"GitLab","repo":"git://git@gitlab.com:gitlab-org/gitlab.git","vendor":"GitLab","versions":[{"lessThan":"18.11.1","status":"affected","version":"18.11","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f582b822936eb07efdb5edd993f67e638a8efd89c070b2ff801caac436a67aaa · sha256:40387f0bd887e1b2… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f582b822936eb07efdb5edd993f67e638a8efd89c070b2ff801caac436a67aaa · sha256:40387f0bd887e1b2… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f582b822936eb07efdb5edd993f67e638a8efd89c070b2ff801caac436a67aaa · sha256:40387f0bd887e1b2… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f582b822936eb07efdb5edd993f67e638a8efd89c070b2ff801caac436a67aaa · sha256:40387f0bd887e1b2… · /containers/cna/references/2
{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/595553"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f582b822936eb07efdb5edd993f67e638a8efd89c070b2ff801caac436a67aaa · sha256:40387f0bd887e1b2… · /containers/cna/references/0
{"name":"HackerOne Bug Bounty Report #3640688","tags":["technical-description","exploit","permissions-required"],"url":"https://hackerone.com/reports/3640688"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f582b822936eb07efdb5edd993f67e638a8efd89c070b2ff801caac436a67aaa · sha256:40387f0bd887e1b2… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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