CVE-2026-71246
Pixelfed - Authenticated SSRF via Remote URL Search
- State
- Published
- Severity
- 4.3 Medium
- Published
- Aug 5, 2026
- Updated
- Aug 10, 2026
- Reserved
- Aug 5, 2026
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).
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | TuranSec |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
pixelfedpixelfed |
|
References
- https://github.com/pixelfed/pixelfedthird-party-advisory
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