CVE-2026-90711

A flaw was found in proxy-addr. When an application defines trusted proxy subnets using IPv4-mapped IPv6 addresses with an improper prefix length, the subnet parser fails open and erroneously treats all incoming network addresses as trusted. A remote, unauthenticated attacker can exploit this...

GHSA-JQCG-44MW-7W3H proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet

Impact proxy-addr determines which network hops are trusted proxies so that X-Forwarded-For can be believed. When an application configures a trust subnet as an IPv4-mapped IPv6 address with a short prefix, such as ::ffff:10.0.0.0/8 the correct spelling is ::ffff:10.0.0.0/104, the subnet compiles...

NPM: proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet

NPM: proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet vulnerability discovered by ? in WordPress Npm proxy-addr versions = 1.1.0, 2.0.8...

EUVD-2026-78300

proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet...

proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet

Impact proxy-addr determines which network hops are trusted proxies so that X-Forwarded-For can be believed. When an application configures a trust subnet as an IPv4-mapped IPv6 address with a short prefix, such as ::ffff:10.0.0.0/8 the correct spelling is ::ffff:10.0.0.0/104, the subnet compiles...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-102577

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Rocky Linux 8 [CIQ] Security Update: grafana / grafana-debuginfo / grafana-debugsource / grafana-selinux Multiple Vulnerabilities (crlsa-2024_5291)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20245291 advisory. golang: net: malformed DNS message can cause infinite loop CVE-2024-24788 golang: archive/zip: Incorrect handling of certain ZIP files CVE-2024-24789 golan...

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

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...

UBUNTU-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...

EUVD-2026-89716

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...

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 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...

PT-2026-103085

Name of the Vulnerable Software and Affected Versions Moodle affected versions not specified Description 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...

CVE-2026-102577: Server-Side Request Forgery (SSRF)

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...

AlmaLinux 9.2 [TuxCare] Security Update: grafana (ALMALINUX9.2:CLSA-2025:1748638811)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1748638811 advisory. - The various Is methods IsPrivate, IsLoopback, etc did not work as expected for IPv4-mapped IPv6 addresses, returning false for addresses...