{"id":"GO-2026-5444","revision":"1786d2b1765d40cc82ae6e86a694fc56","records":[{"revision":"1786d2b1765d40cc82ae6e86a694fc56","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-5444","aliases":["CVE-2026-39972","GHSA-hwr4-mq23-wcv5"],"title":"mercure has Topic Selector Cache Key Collision in github.com/dunglas/mercure","description":"mercure has Topic Selector Cache Key Collision in github.com/dunglas/mercure","state":0,"publishedAt":"2026-06-25T22:34:31+00:00","modifiedAt":"2026-06-25T23:01:10.139029+00:00","affected":[{"ecosystem":"Go","name":"github.com/dunglas/mercure","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.22.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/dunglas/mercure/security/advisories/GHSA-hwr4-mq23-wcv5","https://nvd.nist.gov/vuln/detail/CVE-2026-39972","https://github.com/dunglas/mercure/commit/4964a69be904fd61e35b5f1e691271663b6fdd64","https://github.com/dunglas/mercure/releases/tag/v0.22.0"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-5444","license":"OSV · upstream source license applies","key":"osv:GO-2026-5444","identifiers":["GO-2026-5444","CVE-2026-39972","GHSA-hwr4-mq23-wcv5"]},"retained":false,"historicalAffected":[]}],"coverage":[]}