{"cve":"CVE-2026-28513","nvd":{"published":"2026-03-10T17:38:50.303","modified":"2026-06-17T10:28:46.527","status":"Analyzed","description":"Pocket ID is an OIDC provider that allows users to authenticate with their passkeys to your services. Prior to 2.4.0, the OIDC token endpoint rejects an authorization code only when both the client ID is wrong and the code is expired. This allows cross-client code exchange and expired code reuse. This vulnerability is fixed in 2.4.0.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","score":7.1},"cwes":["CWE-863"],"references":["https://github.com/pocket-id/pocket-id/security/advisories/GHSA-qh6q-598w-w6m2","https://github.com/pocket-id/pocket-id/security/advisories/GHSA-qh6q-598w-w6m2"],"products":["pocket-id:pocket_id"],"source":"nvd","synced_at":"2026-10-19T22:25:53.701907451+00:00"},"epss":{"cve":"CVE-2026-28513","score":0.00288,"percentile":0.21442,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-qh6q-598w-w6m2","url":"https://osv.dev/vulnerability/GHSA-qh6q-598w-w6m2","summary":"Pocket ID: OIDC authorization code validation uses AND instead of OR, allowing cross-client token exchange","modified":"2026-03-23T04:56:03.213288890Z","packages":[{"ecosystem":"Go","name":"github.com/pocket-id/pocket-id/backend","purl":"pkg:golang/github.com/pocket-id/pocket-id/backend","ranges":["<0.0.0-20260307173642-b59e35cb59ae"],"fixed":["0.0.0-20260307173642-b59e35cb59ae"]}]},{"id":"GO-2026-4656","url":"https://osv.dev/vulnerability/GO-2026-4656","summary":"Pocket ID: OIDC authorization code validation uses AND instead of OR, allowing cross-client token exchange in github.com/pocket-id/pocket-id/backend","modified":"2026-03-23T04:52:50.572583Z","packages":[{"ecosystem":"Go","name":"github.com/pocket-id/pocket-id/backend","purl":"pkg:golang/github.com/pocket-id/pocket-id/backend","ranges":["<0.0.0-20260307173642-b59e35cb59ae"],"fixed":["0.0.0-20260307173642-b59e35cb59ae"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}