CVE-2026-18433: medium-severity vulnerability in GitLab
Incorrect Authorization in GitLab
Published · Updated
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 4.3epss 0.4%
exploitation probability
0.4%top 69% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.4 and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user to read policy configuration belonging to a namespace they were not authorized to access, due to incorrect authorization checks in a GraphQL query.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected products
GitLab · GitLabpublic PoCs found — 1
cve_referencehackerone.com/reports/3776182unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — GitLab
In the same product, most dangerous first.
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