Vulnerability · Published Aug 5, 2026 · Assigned by TuranSec

CVE-2026-71246Pixelfed - Authenticated SSRF via Remote URL Search

Medium 4.3

In plain English

A medium-severity server-side request forgery in pixelfed from pixelfed. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 80.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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).

Affected products (as reported)

Vendor	Product	Versions
pixelfed	pixelfed	0

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

https://github.com/pixelfed/pixelfed third-party-advisory