CVE-2026-73629

Serendipity before 2.6.0 contains a server-side request forgery vulnerability in the serendipityurlallowed filter that fails to block hex-encoded IPv4 addresses, IPv6 literals, and link-local ranges. Authenticated users with adminImagesAdd permission can bypass the filter using alternate address...

EUVD-2026-57798

Serendipity before 2.6.0 contains a server-side request forgery vulnerability in the serendipityurlallowed filter that fails to block hex-encoded IPv4 addresses, IPv6 literals, and link-local ranges. Authenticated users with adminImagesAdd permission can bypass the filter using alternate address...

AlienVault : SSRF bypass #2 (using octal encoding) on the https://www.threatcrowd.org/domain.php

Description The latest SSRF fixes can be bypassed, using octal encoding of the AWS IP. There is other more general bypass, which can't be fixed using blacklisting - it's reported in the 288183. POC https://www.threatcrowd.org/domain.php?domain=0251.00376.000251.0000376 F237500 Suggested fix As wa...