CVE Explorer
CVE-2026-5173
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.9.6 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to invoke unintended server-side methods through websocket connections due to improper access control.
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":"18.8.9","status":"affected","version":"16.9.6","versionType":"semver"},{"lessThan":"18.9.5","status":"affected","version":"18.9","versionType":"semver"},{"lessThan":"18.10.3","status":"affected","version":"18.10","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:5e66efa29da9efbb493daf2c073a872d1a58b91decefd0e90c6ec783c61509ca · sha256:957943de2e736916… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:5e66efa29da9efbb493daf2c073a872d1a58b91decefd0e90c6ec783c61509ca · sha256:957943de2e736916… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-749","description":"CWE-749: Exposed Dangerous Method or Function","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:5e66efa29da9efbb493daf2c073a872d1a58b91decefd0e90c6ec783c61509ca · sha256:957943de2e736916… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:5e66efa29da9efbb493daf2c073a872d1a58b91decefd0e90c6ec783c61509ca · sha256:957943de2e736916… · /containers/cna/references/1
{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/588959"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:5e66efa29da9efbb493daf2c073a872d1a58b91decefd0e90c6ec783c61509ca · sha256:957943de2e736916… · /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.