{"id":"CVE-2021-41230","aliases":["EUVD-2021-2361","GHSA-j6wp-3859-vxfg","GO-2021-0258"],"status":"published","title":"OIDC claims not updated from Identity Provider in Pomerium","description":"Pomerium is an open source identity-aware access proxy. In affected versions changes to the OIDC claims of a user after initial login are not reflected in policy evaluation when using `allowed_idp_claims` as part of policy. If using `allowed_idp_claims` and a user's claims are changed, Pomerium can make incorrect authorization decisions. This issue has been resolved in v0.15.6. For users unable to upgrade clear data on `databroker` service by clearing redis or restarting the in-memory databroker to force claims to be updated.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0086,"percentile":0.58757,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2021-11-05T22:40:12Z","modified":"2026-10-20T10:53:59Z","fixes":[{"ecosystem":"Go","package":"github.com/pomerium/pomerium","fixed_in":["0.15.6"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/pomerium/pomerium","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.14.0"},{"fixed":"0.15.6"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/pomerium/pomerium","ranges":[{"type":"SEMVER","events":[{"introduced":"0.14.0"},{"fixed":"0.15.6"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/pomerium/pomerium","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.15.6"}]}]}],"products":[{"vendor":"pomerium","product":"pomerium"}],"references":[{"url":"https://github.com/pomerium/pomerium/security/advisories/GHSA-j6wp-3859-vxfg","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/pomerium/pomerium/pull/2724","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41230","tags":["advisory"]},{"url":"https://github.com/pomerium/pomerium/commit/f20542c4bf2cc691e4c324f7ec79e02e46d95511","tags":["web","fix"]},{"url":"https://pkg.go.dev/vuln/GO-2021-0258","tags":["web"]},{"url":"https://github.com/advisories/GHSA-j6wp-3859-vxfg"},{"url":"https://github.com/pomerium/pomerium","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-41230","title":"OIDC claims not updated from Identity Provider in Pomerium","description":"Pomerium is an open source identity-aware access proxy. In affected versions changes to the OIDC claims of a user after initial login are not reflected in policy evaluation when using `allowed_idp_claims` as part of policy. If using `allowed_idp_claims` and a user's claims are changed, Pomerium can make incorrect authorization decisions. This issue has been resolved in v0.15.6. For users unable to upgrade clear data on `databroker` service by clearing redis or restarting the in-memory databroker to force claims to be updated.","status":"published","published":"2021-11-05T22:40:12Z","modified":"2024-08-04T03:08:31.639Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:32:59.105382Z"}],"euvd":[{"id":"EUVD-2021-2361","description":"Pomerium is an open source identity-aware access proxy. In affected versions changes to the OIDC claims of a user after initial login are not reflected in policy evaluation when using `allowed_idp_claims` as part of policy. If using `allowed_idp_claims` and a user's claims are changed, Pomerium can make incorrect authorization decisions. This issue has been resolved in v0.15.6. For users unable to upgrade clear data on `databroker` service by clearing redis or restarting the in-memory databroker to force claims to be updated.","status":"published","published":"2021-11-05T22:40:12Z","modified":"2024-08-04T03:08:31Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:24:18.226903Z"}],"ghsa":[{"id":"GHSA-j6wp-3859-vxfg","title":"OIDC claims not updated from Identity Provider in Pomerium","description":"### Impact\nChanges to the OIDC claims of a user after initial login are not reflected in policy evaluation when using [`allowed_idp_claims`](https://www.pomerium.com/reference/#allowed-idp-claims) as part of policy.  If using `allowed_idp_claims` and a user's claims are changed, Pomerium can make incorrect authorization decisions.\n\n### Patches\nv0.15.6\n\n### Workarounds\n- Clear data on `databroker` service by clearing redis or restarting the in-memory databroker to force claims to be updated\n\n### References\nhttps://github.com/pomerium/pomerium/pull/2724\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [Pomerium](https://github.com/pomerium/pomerium)\n* Email us at [security@pomerium.com](mailto:security@pomerium.com)\n","status":"published","published":"2021-11-10T16:52:24Z","modified":"2023-02-15T00:47:54Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:36:45.67005Z"}],"nvd":[{"id":"CVE-2021-41230","description":"Pomerium is an open source identity-aware access proxy. In affected versions changes to the OIDC claims of a user after initial login are not reflected in policy evaluation when using `allowed_idp_claims` as part of policy. If using `allowed_idp_claims` and a user's claims are changed, Pomerium can make incorrect authorization decisions. This issue has been resolved in v0.15.6. For users unable to upgrade clear data on `databroker` service by clearing redis or restarting the in-memory databroker to force claims to be updated.","status":"published","published":"2021-11-05T23:15:08.727Z","modified":"2026-06-17T04:08:08.463Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:07:00.984108Z"}],"osv":[{"id":"CVE-2021-41230","description":"Pomerium is an open source identity-aware access proxy. In affected versions changes to the OIDC claims of a user after initial login are not reflected in policy evaluation when using `allowed_idp_claims` as part of policy. If using `allowed_idp_claims` and a user's claims are changed, Pomerium can make incorrect authorization decisions. This issue has been resolved in v0.15.6. For users unable to upgrade clear data on `databroker` service by clearing redis or restarting the in-memory databroker to force claims to be updated.","status":"published","published":"2021-11-05T23:15:08.727Z","modified":"2026-10-20T10:53:59.08211764Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:21.557945Z"},{"id":"GHSA-j6wp-3859-vxfg","title":"OIDC claims not updated from Identity Provider in Pomerium","description":"### Impact\nChanges to the OIDC claims of a user after initial login are not reflected in policy evaluation when using [`allowed_idp_claims`](https://www.pomerium.com/reference/#allowed-idp-claims) as part of policy.  If using `allowed_idp_claims` and a user's claims are changed, Pomerium can make incorrect authorization decisions.\n\n### Patches\nv0.15.6\n\n### Workarounds\n- Clear data on `databroker` service by clearing redis or restarting the in-memory databroker to force claims to be updated\n\n### References\nhttps://github.com/pomerium/pomerium/pull/2724\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [Pomerium](https://github.com/pomerium/pomerium)\n* Email us at [security@pomerium.com](mailto:security@pomerium.com)\n","status":"published","published":"2021-11-10T16:52:24Z","modified":"2026-07-08T06:29:14.984452499Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:46:49.977351Z"},{"id":"GO-2021-0258","title":"Incorrect authorization in github.com/pomerium/pomerium","description":"Pomerium is an open source identity-aware access proxy. Changes to the OIDC claims of a user after initial login are not reflected in policy evaluation when using allowed_idp_claims as part of policy. If using allowed_idp_claims and a user's claims are changed, Pomerium can make incorrect authorization decisions.\n\nFor users unable to upgrade clear data on databroker service by clearing redis or restarting the in-memory databroker to force claims to be updated.","status":"published","published":"2022-01-14T17:30:31Z","modified":"2024-05-20T16:03:47Z","updated_at":"2026-11-02T15:47:00.604718Z"}]}}