{"action":"Upgrade github.com/hyperledger/fabric-ca to 1.5.21 or later.","affected":[{"fixed":"1.5.21","introduced":"0"}],"component":"github.com/hyperledger/fabric-ca","cve_ids":["CVE-2026-53658"],"ecosystem":"Go","epss":0.0045,"exploited":false,"fixed_versions":["1.5.21"],"ghsa_id":"GHSA-xghw-p77p-3r7x","id":"tcs_01M5KGSMDT1J8V5QCGQS0F0N6K","modified_at":"2026-08-18T17:15:27.921210823Z","published_at":"2026-08-18T16:38:10Z","references":["https://osv.dev/vulnerability/GO-2026-6234","https://github.com/hyperledger/fabric-ca/security/advisories/GHSA-xghw-p77p-3r7x","https://github.com/hyperledger/fabric-ca/commit/d379df823534d56dec0166a6da8f0415e3beee24"],"severity":{"label":"medium","score":6.3},"sources":[{"source":"osv","source_id":"GO-2026-6234","url":"https://osv.dev/vulnerability/GO-2026-6234"},{"source":"nvd","source_id":"CVE-2026-53658","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53658"}],"summary":"LDAP injection via unescaped username in github.com/hyperledger/fabric-ca"}