{"schema_version":"1.3.1","id":"GO-2026-5444","modified":"2026-06-25T22:34:31Z","published":"2026-06-25T22:34:31Z","aliases":["CVE-2026-39972","GHSA-hwr4-mq23-wcv5"],"summary":"mercure has Topic Selector Cache Key Collision in github.com/dunglas/mercure","details":"mercure has Topic Selector Cache Key Collision in github.com/dunglas/mercure","affected":[{"package":{"name":"github.com/dunglas/mercure","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.22.0"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/dunglas/mercure/security/advisories/GHSA-hwr4-mq23-wcv5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39972"},{"type":"FIX","url":"https://github.com/dunglas/mercure/commit/4964a69be904fd61e35b5f1e691271663b6fdd64"},{"type":"WEB","url":"https://github.com/dunglas/mercure/releases/tag/v0.22.0"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5444","review_status":"UNREVIEWED"}}