https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-10-07T07:23:25.213724+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2026-53507 CVE-2026-53507 — oasdiff actions resolve external $refs by default, enabling SSRF and disclosure of structured files on pull-request runs 2026-10-07T07:23:25.215724+00:00

Affected: oasdiff-action

oasdiff-action is a GitHub Action that detects breaking changes in OpenAPI specs and post a review on every pull request. Before version 0.0.51, the oasdiff actions resolved external $refs in the OpenAPI spec by default (allow-external-refs: true). When an action runs on a pull request whose spec is attacker-controlled — most importantly fork pull requests on public repositories — a $ref in that spec is fetched/read on the runner with no interaction required, enabling SSRF and disclosure of structured files on the runner. This issue has been patched in version 0.0.51.