{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"guzzle","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NT0N4R4Q3M7JSWFZE1EGPN","modified_at":"2026-10-01T03:03:19.651844331Z","published_at":"2026-06-23T16:17:03.263Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-55767","https://security-tracker.debian.org/tracker/CVE-2026-55767"],"severity":{"label":"medium","score":5.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-55767#Debian:13/guzzle","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-55767"}],"summary":"Guzzle is an extensible PHP HTTP client. Prior to 7.12.1, CookieJar incorrectly accepts cookies with a dot-only Domain attribute and whitespace-padded variants. SetCookie::matchesDomain() removes lead"}