{"action":"Upgrade github.com/zitadel/zitadel to 1.80.0-v2.20.0.20260615092437-6082e59d47c1 or later.","affected":[{"fixed":"1.80.0-v2.20.0.20260615092437-6082e59d47c1","introduced":"0"}],"component":"github.com/zitadel/zitadel","cve_ids":["CVE-2026-55670"],"ecosystem":"Go","epss":0.00362,"exploited":false,"fixed_versions":["1.80.0-v2.20.0.20260615092437-6082e59d47c1"],"ghsa_id":"GHSA-6x8v-2fq5-2229","id":"tcs_01M5KGJKC70KHR2JZ0XM4VHMQQ","modified_at":"2026-06-25T19:45:13.920252668Z","published_at":"2026-06-25T18:43:15Z","references":["https://osv.dev/vulnerability/GO-2026-5197","https://github.com/zitadel/zitadel/security/advisories/GHSA-6x8v-2fq5-2229","https://github.com/zitadel/zitadel/commit/6082e59d47c17a9d54a6b0556b3f31559d7c620a","https://github.com/zitadel/zitadel/releases/tag/v4.15.2"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-5197","url":"https://osv.dev/vulnerability/GO-2026-5197"}],"summary":"ZITADEL: Cross-Tenant User Leakage via Recycled Identifiers in github.com/zitadel/zitadel"}