# CVE-2025-10871: Missing Authorization in GitLab

Status: published. Published: 2025-09-26. Updated: 2026-11-04.

An issue has been discovered in GitLab EE affecting all versions from 16.6 before 18.2.7, 18.3 before 18.3.3, and 18.4 before 18.4.1. Project Maintainers can exploit a vulnerability where they can assign custom roles to users with permissions exceeding their own, effectively granting themselves elevated privileges.

## Remediation

- fix: Upgrade to version 18.2.7, 18.3.3 or 18.4.1 or above. (source: CNA: GitLab)

## Affected products and versions

- GitLab / GitLab: ≥ 16.6; < 18.2.7 (affected, semver); ≥ 18.3; < 18.3.3 (affected, semver); ≥ 18.4; < 18.4.1 (affected, semver). Source: CNA: GitLab

## Severity and prioritization

- CVSS 3.1: 3.8 (low); CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L; source: CNA: GitLab

- CISA KEV: No listing in collected sources

- EPSS: 0.38% as of 2026-11-03; percentile 31.75%

- SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-862

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://gitlab.com/gitlab-org/gitlab/-/issues/569482 (CNA: GitLab; issue-tracking, permissions-required)

## Provenance

- CNA: GitLab: https://www.cve.org/CVERecord?id=CVE-2025-10871; retrieved 2026-11-04; source updated 2026-11-04

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2025-10871; retrieved 2026-11-03; source updated Not reported

Revision: 0eb6fd8bd74261f17239c856b1a8dbb2920b79cbfa7e630046f5ac931beee088

Canonical: https://y2.dev/cve/CVE-2025-10871

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.