{"action":"Upgrade jenkins to 2.275-r0 or later.","affected":[{"fixed":"2.275-r0","introduced":"0"}],"component":"jenkins","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.14","exploited":false,"fixed_versions":["2.275-r0"],"id":"tcs_01M6GN7CGJB22CDXQHT0BV85PG","modified_at":"2026-11-03T06:32:27.244623026Z","published_at":"2021-01-13T16:15:13.663Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-21606","https://security.alpinelinux.org/vuln/CVE-2021-21606"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-21606#Alpine:v3.14/jenkins","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-21606"}],"summary":"Jenkins 2.274 and earlier, LTS 2.263.1 and earlier improperly validates the format of a provided fingerprint ID when checking for its existence allowing an attacker to check for the existence of XML f"}