Mastodon: SSRF Bypass via IPv6 Unspecified Address (::)_CVE-2026-46348
Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, the list of disallowed IP address ranges was lacking an IP address range that can be used to reach local IP addresses. An attacker can use an IP address in the affe...