{"id":"GHSA-fv82-r8qv-ch4v","summary":"pomerium_signature is not verified in middleware in github.com/pomerium/pomerium","details":"### Impact\nSome API endpoints under /.pomerium/ do not verify parameters with pomerium_signature. This could allow modifying parameters intended to be trusted to Pomerium. \n\nThe issue mainly affects routes responsible for sign in/out, but does not introduce an authentication bypass.\n\n### Specific Go Packages Affected\ngithub.com/pomerium/pomerium/authenticate\n\n### Patches\nPatched in v0.13.4\n\n### For more information\nIf you have any questions or comments about this advisory\n* Open an issue in [pomerium](http://github.com/pomerium/pomerium)\n* Email us at [security@pomerium.com](mailto:security@pomerium.com)","aliases":["CVE-2021-29652","GO-2022-0827"],"modified":"2026-07-08T06:29:31.612331456Z","published":"2021-05-21T16:24:22Z","database_specific":{"github_reviewed_at":"2021-05-20T20:47:18Z","nvd_published_at":null,"cwe_ids":["CWE-601"],"severity":"MODERATE","github_reviewed":true},"references":[{"type":"WEB","url":"https://github.com/pomerium/pomerium/security/advisories/GHSA-fv82-r8qv-ch4v"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29652"},{"type":"WEB","url":"https://github.com/pomerium/pomerium/pull/2048"}],"affected":[{"package":{"name":"github.com/pomerium/pomerium","ecosystem":"Go","purl":"pkg:golang/github.com/pomerium/pomerium"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.10.0"},{"fixed":"0.13.4"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/05/GHSA-fv82-r8qv-ch4v/GHSA-fv82-r8qv-ch4v.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}