Vulnerabilities CVE-2026-71246

CVE-2026-71246

Medium

Open

TLP:CLEAR

Pixelfed - Authenticated SSRF via Remote URL Search

NVD CVE.org

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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).

Details

CVSS Score: 4.3
EPSS Score ⓘ: 0.16%

5.9th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Confidence: 90%
Published: Aug 5, 2026
Last Modified: Aug 10, 2026

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