{"cve":"CVE-2023-3979","nvd":{"published":"2023-09-29T07:15:13.910","modified":"2026-06-17T06:15:34.633","status":"Modified","description":"An issue has been discovered in GitLab affecting all versions starting from 10.6 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. It was possible that upstream members to collaborate with you on your branch get permission to write to the merge request’s source branch.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","score":4.3},"cwes":["CWE-863"],"references":["https://gitlab.com/gitlab-org/gitlab/-/issues/419972","https://hackerone.com/reports/2082560","https://gitlab.com/gitlab-org/gitlab/-/issues/419972","https://hackerone.com/reports/2082560"],"products":["gitlab:gitlab"],"source":"nvd","synced_at":"2026-10-19T21:39:34.467980132+00:00"},"epss":{"cve":"CVE-2023-3979","score":0.00475,"percentile":0.41052,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}