{"id":"CVE-2026-71246","published":"2026-08-05T11:16:27.613","lastModified":"2026-08-10T12:17:27.187","description":"Pixelfed's SearchController (behind the auth middleware) accepts a URL via its remote-search parameters and fetches it server-side through ActivityPubFetchService, whose validateUrl only blocks the literal hosts 127.0.0.1, localhost, and ::1 and requires https, without checking the resolved IP against private, internal, or link-local ranges (e.g. 169.254.169.254).","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwes":["CWE-918"],"vendors":[],"products":[],"references":[{"url":"https://github.com/pixelfed/pixelfed","tags":[]}],"exploitRefs":[{"url":"https://github.com/pixelfed/pixelfed","tags":[]}],"hasPoc":true,"ai":null}