CVE Explorer

CVE-2026-4527

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due to missing CSRF protection.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0a4a1163687cd495ccc246f070c8a4f95dd530979edfb1ee5e39bf0bbcb76a64

Known exploited

Not asserted

Disputed

Stale source

Conflicts

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":"18.9.7","status":"affected","version":"11.10","versionType":"semver"},{"lessThan":"18.10.6","status":"affected","version":"18.10","versionType":"semver"},{"lessThan":"18.11.3","status":"affected","version":"18.11","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:4ff2d4a0a8f5016d44f8f9f24c3d57d6f30e7fe13da8e4936397048604c1bc6b · sha256:08b51d017a72fc9d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:4ff2d4a0a8f5016d44f8f9f24c3d57d6f30e7fe13da8e4936397048604c1bc6b · sha256:08b51d017a72fc9d… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-352","description":"CWE-352: Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:4ff2d4a0a8f5016d44f8f9f24c3d57d6f30e7fe13da8e4936397048604c1bc6b · sha256:08b51d017a72fc9d… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"url":"https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4ff2d4a0a8f5016d44f8f9f24c3d57d6f30e7fe13da8e4936397048604c1bc6b · sha256:08b51d017a72fc9d… · /containers/cna/references/2

{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/594339"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4ff2d4a0a8f5016d44f8f9f24c3d57d6f30e7fe13da8e4936397048604c1bc6b · sha256:08b51d017a72fc9d… · /containers/cna/references/0

{"name":"HackerOne Bug Bounty Report #3590487","tags":["technical-description","exploit","permissions-required"],"url":"https://hackerone.com/reports/3590487"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4ff2d4a0a8f5016d44f8f9f24c3d57d6f30e7fe13da8e4936397048604c1bc6b · sha256:08b51d017a72fc9d… · /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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