CVEvulnerability

CVE-2026-71246

4.3 MEDIUM Published 2026-08-05 Modified 2026-08-26 Official page ↗
Status
Deferred
Published
2026-08-05
Last modified
2026-08-26
Assigner
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
CVSS 3.1 (309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c)
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-918

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).

Related

Weakness · CWE (1)

  • CWE-918 Server-Side Request Forgery weakness

References