EUVD-2026-78300

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

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...

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 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...

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...

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: golang / golang-bin / golang-docs / golang-misc / golang-race / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1748002217)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1748002217 advisory. - Using go get to fetch a module with the .git suffix may unexpectedly fallback to the insecure git:// protocol if the module is...

Security Bulletin: This Power System update is being released to address CVE-2026-43198

Summary An IPv6 listening socket handing an IPv4-mapped IPv6 connection request results in race condition which may result in loss of integrity, confidentiality, and availability. Vulnerability Details CVEID:CVE-2026-43198 DESCRIPTION: In the Linux kernel, the following vulnerability has been...

EUVD-2026-66389

OneUptime's webhook target check rejects private and loopback addresses given in IPv4 form and a small set of IPv6 forms, but has no case for the IPv4-mapped IPv6 range. The webhook delivery path calls SSRFProtection.validateWebhookTargetIsSafe, and the host-literal screening inside...

CVE-2026-92395 @fastify/proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet

@fastify/proxy-addr is a Fastify plugin that determines a request's client address behind trusted reverse proxies, and it backs Fastify request.ip and request.ips. In versions 3.0.0 through 5.1.0, a trust subnet written in IPv4-mapped IPv6 notation with an IPv4-sized prefix, such as...

CVE-2026-92395 @fastify/proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet

@fastify/proxy-addr is a Fastify plugin that determines a request's client address behind trusted reverse proxies, and it backs Fastify request.ip and request.ips. In versions 3.0.0 through 5.1.0, a trust subnet written in IPv4-mapped IPv6 notation with an IPv4-sized prefix, such as...

EUVD-2026-80806

@fastify/proxy-addr is a Fastify plugin that determines a request's client address behind trusted reverse proxies, and it backs Fastify request.ip and request.ips. In versions 3.0.0 through 5.1.0, a trust subnet written in IPv4-mapped IPv6 notation with an IPv4-sized prefix, such as...

CVE-2026-92395

@fastify/proxy-addr (a Fastify plugin for determining client IP behind reverse proxies) is vulnerable to IP spoofing in versions 3.0.0 through 5.1.0. The root cause: an IPv4-mapped IPv6 trust subnet with an IPv4-sized prefix (e.g., ::ffff:10.0.0.0/8 instead of /104) is accepted silently but effec...