{"action":"Upgrade apostrophe to 4.31.0 or later.","affected":[{"fixed":"4.31.0","introduced":"0"}],"component":"apostrophe","cve_ids":["CVE-2026-53607"],"ecosystem":"npm","epss":0.00274,"exploited":false,"fixed_versions":["4.31.0"],"ghsa_id":"GHSA-34pj-2622-jvxq","id":"tcs_01M5KEVWWGP7N4ECPDMQM0X69Z","modified_at":"2026-07-31T22:00:21.595148202Z","published_at":"2026-07-31T21:51:41Z","references":["https://osv.dev/vulnerability/GHSA-34pj-2622-jvxq","https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-34pj-2622-jvxq","https://nvd.nist.gov/vuln/detail/CVE-2026-53607","https://github.com/apostrophecms/apostrophe/pull/5464","https://github.com/apostrophecms/apostrophe/commit/5a88e9630cbbdde33154ef8abe7557ddf7be418b","https://github.com/apostrophecms/apostrophe"],"severity":{"label":"low","score":3.7},"sources":[{"source":"osv","source_id":"GHSA-34pj-2622-jvxq","url":"https://osv.dev/vulnerability/GHSA-34pj-2622-jvxq"}],"summary":"@apostrophecms/file pretty-URL Vulnerable to Unauthenticated SSRF via Host header"}