{"id":"CVE-2026-73800","title":"Gitea resolves local reusable workflow files from a fork's head commit when a trusted base-branch workflow runs for a pull_request_target event","summary":"Gitea resolves local reusable workflow files from a fork's head commit when a trusted base-branch workflow runs for a pull_request_target event. A fork author can modify a referenced reusable workflow so attacker-controlled code executes…","severity":"none","cwe":["CWE-94","CWE-829"],"published":"2026-10-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T16:04:39.483","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73800","references":[{"url":"https://blog.gitea.com/release-of-1.27.2/","label":"88ee5874-cf24-4952-aea0-31affedb7ff2"},{"url":"https://github.com/go-gitea/gitea/pull/38886","label":"88ee5874-cf24-4952-aea0-31affedb7ff2"},{"url":"https://github.com/go-gitea/gitea/pull/38897","label":"88ee5874-cf24-4952-aea0-31affedb7ff2"},{"url":"https://github.com/go-gitea/gitea/releases/tag/v1.27.2","label":"88ee5874-cf24-4952-aea0-31affedb7ff2"},{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-r9ch-mqjm-g67v","label":"88ee5874-cf24-4952-aea0-31affedb7ff2"}],"tags":["nvd"],"ingestedAt":"2026-10-14T15:36:14.030Z","slug":"CVE-2026-73800","body":"## Overview\n\nGitea resolves local reusable workflow files from a fork's head commit when a trusted base-branch workflow runs for a pull_request_target event. A fork author can modify a referenced reusable workflow so attacker-controlled code executes with the repository and organization secrets available to that event. Exploitation requires a base workflow that calls a local reusable workflow, and bypasses the intended separation between trusted base code and untrusted fork code.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}