{"id":"ALSA-2026:71543","summary":"Important: cockpit-image-builder security update","details":"The image-builder-frontend generates custom images suitable for deploying systems or uploading to the cloud. It integrates into Cockpit as a frontend for osbuild.  \n\nSecurity Fix(es):  \n\n  * fast-uri: fast-uri: Server-Side Request Forgery via repeated hostname percent-decoding (CVE-2026-75899)\n  * fast-uri: fast-uri: Server-side request forgery via malformed IPv6 normalization (CVE-2026-75975)\n  * fast-uri: fast-uri: URI parsing flaw enables server-side request forgery and redirects (CVE-2026-76172)\n  * fast-uri: fast-uri: Authority Injection via Unvalidated Port Serialization (CVE-2026-84292)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","modified":"2026-09-28T20:45:03.807347987Z","published":"2026-09-24T00:00:00Z","related":["CVE-2026-75899","CVE-2026-75975","CVE-2026-76172","CVE-2026-84292"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:71543"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-75899"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-75975"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-76172"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-84292"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2521778"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2521779"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2521798"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2527747"},{"type":"ADVISORY","url":"https://errata.almalinux.org/10/ALSA-2026-71543.html"}],"affected":[{"package":{"name":"cockpit-image-builder","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/cockpit-image-builder"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"94.4-1.el10_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:71543.json"}}],"schema_version":"1.9.0"}