--- title: "CVE-2026-66877: Gitea - Broken Access Control" description: "Gitea contains a broken access control vulnerability caused by improper re-checking of job approval in workflow dispatch, letting unreviewed workflow code execute on self-hosted runners, exploit requires fork contributor approval bypass." url: https://panop.io/threat-heartbeat/CVE-2026-66877/ --- # CVE-2026-66877 Gitea - Broken Access Control Gitea contains a broken access control vulnerability caused by improper re-checking of job approval in workflow dispatch, letting unreviewed workflow code execute on self-hosted runners, exploit requires fork contributor approval bypass. CVSS base score 8.1 /10 High CISA KEV Not listed Public exploit None known Authentication Required [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-66877) ## Details Type Broken Access Control Impact Remote Code Execution CVSS vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Published 14 October 2026 Updated 15 October 2026 Weakness [CWE-284](https://cwe.mitre.org/data/definitions/284.html) ## Vendor fix Update to the latest version where job approval checks are enforced consistently. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-66877](https://nvd.nist.gov/vuln/detail/CVE-2026-66877) - [https://blog.gitea.com/release-of-1.27.3/](https://blog.gitea.com/release-of-1.27.3/) - [https://github.com/go-gitea/gitea/pull/39005](https://github.com/go-gitea/gitea/pull/39005) - [https://github.com/go-gitea/gitea/pull/39018](https://github.com/go-gitea/gitea/pull/39018) - [https://github.com/go-gitea/gitea/releases/tag/v1.27.3](https://github.com/go-gitea/gitea/releases/tag/v1.27.3) - [https://github.com/go-gitea/gitea/security/advisories/GHSA-v2w8-m4gr-qj65](https://github.com/go-gitea/gitea/security/advisories/GHSA-v2w8-m4gr-qj65) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)