Threats Tagged 'cve-2026-53507'
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Threats Tagged 'cve-2026-53507'
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CVE-2026-53507: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in oasdiff oasdiff-actionCVE-2026-53507 0 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. Join the discussion | CVE Database V5 | 08/31/2026, 18:57:41 UTC Added: 08/31/2026, 19:07:59 UTC |
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