{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0","last_affected":"4.1.5"}],"component":"github.com/centrifugal/centrifugo/v4","cve_ids":["CVE-2026-49998"],"ecosystem":"Go","epss":0.0022,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-g6vg-wj8f-48cj","id":"tcs_01M5KFAEKN0WSB18HBKN2W2KBX","modified_at":"2026-07-07T16:11:15.854965402Z","published_at":"2026-07-01T20:28:52Z","references":["https://osv.dev/vulnerability/GHSA-g6vg-wj8f-48cj","https://github.com/centrifugal/centrifugo/security/advisories/GHSA-g6vg-wj8f-48cj","https://github.com/centrifugal/centrifugo"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"GHSA-g6vg-wj8f-48cj#Go/github.com/centrifugal/centrifugo/v4","url":"https://osv.dev/vulnerability/GHSA-g6vg-wj8f-48cj"}],"summary":"Centrifugo's dynamic JWKS key cache keyed only by `kid` allows cross-issuer JWT authentication bypass"}