BIT-MOODLE-2026-102577 Moodle: ssrf risk in url downloader via ipv4-mapped ipv6 address bypass

A flaw was found in Moodle. Incorrect handling of IPv4-mapped IPv6 addresses within the URL downloader's host-blocking logic allows an authenticated remote user to bypass blocked-host restrictions. By supplying a crafted URL, an attacker can induce the server to make requests to restricted...

CVE-2026-102577

A flaw was found in Moodle. Incorrect handling of IPv4-mapped IPv6 addresses within the URL downloader's host-blocking logic allows an authenticated remote user to bypass blocked-host restrictions. By supplying a crafted URL, an attacker can induce the server to make requests to restricted...

CVE-2026-102577 Moodle: ssrf risk in url downloader via ipv4-mapped ipv6 address bypass

A flaw was found in Moodle. Incorrect handling of IPv4-mapped IPv6 addresses within the URL downloader's host-blocking logic allows an authenticated remote user to bypass blocked-host restrictions. By supplying a crafted URL, an attacker can induce the server to make requests to restricted...

CVE-2026-102577

A flaw in Moodle 's URL downloader allows an authenticated remote user to bypass host-blocking restrictions. The root cause is the incorrect handling of IPv4-mapped IPv6 addresses , which enables an attacker to provide a crafted URL that forces the server to make requests to restricted destinatio...

CVE-2026-102577 Moodle: ssrf risk in url downloader via ipv4-mapped ipv6 address bypass

A flaw was found in Moodle. Incorrect handling of IPv4-mapped IPv6 addresses within the URL downloader's host-blocking logic allows an authenticated remote user to bypass blocked-host restrictions. By supplying a crafted URL, an attacker can induce the server to make requests to restricted...