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CVE-2026-3553

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.0 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to access confidential issue details due to incorrect authorization checks.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:17a6547605f32a1feadae83bfbf241e20aff80f92eeffdef0aac8100e81c0fa7
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":"18.10.8","status":"affected","version":"12.0","versionType":"semver"},{"lessThan":"18.11.5","status":"affected","version":"18.11","versionType":"semver"},{"lessThan":"19.0.2","status":"affected","version":"19.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:151b529e65738bec1dd7b73ea7f6f8c23d5f0fd87c194307bc389070fbae4793 · sha256:de50317a27c9dc93… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/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:v2:151b529e65738bec1dd7b73ea7f6f8c23d5f0fd87c194307bc389070fbae4793 · sha256:de50317a27c9dc93… · /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:v2:151b529e65738bec1dd7b73ea7f6f8c23d5f0fd87c194307bc389070fbae4793 · sha256:de50317a27c9dc93… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:151b529e65738bec1dd7b73ea7f6f8c23d5f0fd87c194307bc389070fbae4793 · sha256:de50317a27c9dc93… · /containers/cna/references/2
{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/592295"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:151b529e65738bec1dd7b73ea7f6f8c23d5f0fd87c194307bc389070fbae4793 · sha256:de50317a27c9dc93… · /containers/cna/references/1
{"name":"HackerOne Bug Bounty Report #3578216","tags":["technical-description","exploit","permissions-required"],"url":"https://hackerone.com/reports/3578216"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:151b529e65738bec1dd7b73ea7f6f8c23d5f0fd87c194307bc389070fbae4793 · sha256:de50317a27c9dc93… · /containers/cna/references/0

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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