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

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...

GHSA-C2W2-PRH8-QM98 guzzlehttp/psr7: Host Confusion via Weak URI Host Validation

Impact guzzlehttp/psr7 did not reject URI host components containing authority delimiters /, ?, , @, or , an embedded port such as host:8080, or IPv6 brackets that do not frame the host such as ::1 or ::1. Uri::assertValidHost rejected only control characters, so these malformed hosts were...

CVE-2026-2479

The Responsive Lightbox & Gallery plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 2.7.1. This is due to the use of strpos for substring-based hostname validation instead of strict host comparison in the ajaxuploadimage function. This makes i...