{"action":"Upgrade github.com/getarcaneapp/arcane/backend to 1.18.0 or later.","affected":[{"fixed":"1.18.0","introduced":"0"}],"component":"github.com/getarcaneapp/arcane/backend","cve_ids":["CVE-2026-42461"],"ecosystem":"Go","epss":0.01283,"exploited":false,"fixed_versions":["1.18.0"],"ghsa_id":"GHSA-cxx3-hr75-4q96","id":"tcs_01M5KGKMCF4T1Q84X4ZXJ3QDKE","modified_at":"2026-06-25T19:45:33.304344474Z","published_at":"2026-06-25T18:43:19Z","references":["https://osv.dev/vulnerability/GO-2026-5340","https://github.com/getarcaneapp/arcane/security/advisories/GHSA-cxx3-hr75-4q96","https://nvd.nist.gov/vuln/detail/CVE-2026-42461","https://github.com/getarcaneapp/arcane/releases/tag/v1.18.0"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GO-2026-5340","url":"https://osv.dev/vulnerability/GO-2026-5340"},{"source":"nvd","source_id":"CVE-2026-42461","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42461"}],"summary":"Arcane Vulnerable to Unauthenticated Disclosure of Custom Compose Template Content (incl. `.env` secrets) in github.com/getarcaneapp/arcane/backend"}