SSRF in Pixelfed
CVE-2026-71246
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…
Vulnerability class: SSRF (Server-Side Request Forgery)
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Pixelfed — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-71246?
- CVE-2026-71246 is a medium-severity vulnerability in Pixelfed, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-08-05.
- How severe is CVE-2026-71246?
- Medium severity. CVSS v3 base score is 4.3 out of 10.