CVE-2026-92883
HighCVSS 8.7Exploitation Probability (EPSS)
Low risk18th percentile - higher than 18% of all known CVEs
Summary
A vulnerability in GitLab CE/EE could, under certain conditions, allow an authenticated user to execute arbitrary JavaScript in the context of other users' browser sessions via a specially crafted repository. Affects versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2.
Risk Assessment
An attacker could execute malicious scripts in other users' browsers, potentially leading to session theft, data compromise, or further attacks.
Recommendation
Upgrade GitLab CE/EE to 19.2.8, 19.3.5, or 19.4.2 or later.
Other vulnerabilities in GitLab CE/EE
See all- CVE-2026-1659High
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.0 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3. This issue could have allowed an unauthenticated user to cause denial of service by sending specially crafted requests due to insufficient input validation.
- CVE-2025-14870High
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3. This issue could have allowed an unauthenticated user to cause denial of service by sending specially crafted JSON payloads due to insufficient input validation.
- CVE-2025-14869High
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3. This issue could have allowed an unauthenticated user to cause denial of service by sending specially crafted payloads on certain API endpoints.
- CVE-2026-93577Critical
GitLab CE/EE versions from 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 contain an integer overflow issue when compiling a specially crafted regular expression in a CI/CD configuration. Under certain conditions an authenticated user could execute arbitrary code on the GitLab server.
- CVE-2026-89078Critical
GitLab CE/EE versions from 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 contain a double free issue when parsing a specially crafted regular expression in a CI/CD configuration. Under certain conditions an authenticated user could execute arbitrary code on the GitLab server.
- CVE-2023-7028CriticalActively exploited
An issue has been discovered in GitLab CE/EE affecting all versions from 16.1 prior to 16.1.6, 16.2 prior to 16.2.9, 16.3 prior to 16.3.7, 16.4 prior to 16.4.5, 16.5 prior to 16.5.6, 16.6 prior to 16.6.4, and 16.7 prior to 16.7.2 in which user account password reset emails could be delivered to an unverified email address.
- CVE-2023-3364High
An issue has been discovered in GitLab CE/EE affecting all versions from 8.14 before 16.0.8, from 16.1 before 16.1.3, and from 16.2 before 16.2.2. A Denial of Service (DoS) attack was possible via crafted payloads using AutolinkFilter at the preview_markdown endpoint.
- CVE-2021-39935MediumActively exploited
An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API.
- CVE-2026-85529Medium
GitLab CE/EE versions from 19.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 have a fixed issue that, under certain conditions, could allow an unauthenticated user to read internal notes and confidential system notes on public projects due to improper authorization in the GraphQL API.
- CVE-2026-84284Medium
GitLab CE/EE versions from 17.11 before 19.2.8, all 19.3 versions, and 19.4 before 19.4.2 have a fixed issue that, under certain conditions, could allow an unauthenticated user to read work item contents from private groups and projects due to incorrect authorization checks.
Original NVD description (English source)
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' browser sessions via a specially crafted repository, due to improper sanitization of HTML attributes in syntax-highlighted output.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS