USN-8637-1: Linux kernel (OEM) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - x86 architecture; - InfiniBand drivers; - Network drivers; - Thunderbolt and USB4 drivers; - Network traffic contro...

CVE-2026-49857

auth-fetch-mcp is an MCP server that lets AI assistants fetch content from authenticated web pages. Version 3.0.1 implements SSRF protection in assertSafeUrl src/security.ts to block requests to private and loopback addresses. However, the isPrivateV6 function fails to detect IPv4-mapped IPv6...

CVE-2026-49857

auth-fetch-mcp is an MCP server that lets AI assistants fetch content from authenticated web pages. Version 3.0.1 implements SSRF protection in assertSafeUrl src/security.ts to block requests to private and loopback addresses. However, the isPrivateV6 function fails to detect IPv4-mapped IPv6...

CVE-2026-49857

auth-fetch-mcp has an SSRF protection bypass via IPv4-mapped IPv6 loopback. The root cause is in isPrivateV6() handling of hex-normalized IPv4-mapped addresses; input like http://[::ffff:127.0.0.1]:PORT/ becomes http://[::ffff:7f00:1]:PORT/ and net.isIPv4 returns false, allowing requests to priva...

EUVD-2026-58054

auth-fetch-mcp is an MCP server that lets AI assistants fetch content from authenticated web pages. Version 3.0.1 implements SSRF protection in assertSafeUrl src/security.ts to block requests to private and loopback addresses. However, the isPrivateV6 function fails to detect IPv4-mapped IPv6...

CVE-2026-49857 auth-fetch-mcp has SSRF Protection Bypass via IPv4-mapped IPv6 Loopback

auth-fetch-mcp is an MCP server that lets AI assistants fetch content from authenticated web pages. Version 3.0.1 implements SSRF protection in assertSafeUrl src/security.ts to block requests to private and loopback addresses. However, the isPrivateV6 function fails to detect IPv4-mapped IPv6...

CVE-2026-49857 auth-fetch-mcp has SSRF Protection Bypass via IPv4-mapped IPv6 Loopback

auth-fetch-mcp is an MCP server that lets AI assistants fetch content from authenticated web pages. Version 3.0.1 implements SSRF protection in assertSafeUrl src/security.ts to block requests to private and loopback addresses. However, the isPrivateV6 function fails to detect IPv4-mapped IPv6...

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...

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...

RLSA-2026:54210 Moderate: dhcpcd security update

The dhcpcd package provides a minimalistic network configuration daemon that supports IPv4 and IPv6 configuration including configuration discovery through NDP, DHCPv4 and DHCPv6 protocols. Security Fixes: dhcpcd: dhcpcd infinite loop and out-of-bounds read via zero-length IPv6 ND option in Route...

dhcpcd security update

An update is available for dhcpcd. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The dhcpcd package provides a minimalistic network configuration daemon that...

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...

CVE-2026-73629 Serendipity before 2.6.0 SSRF via hex IPv4 and IPv6 addresses

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...

CVE-2026-73629 Serendipity before 2.6.0 SSRF via hex IPv4 and IPv6 addresses

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...

CVE-2026-73629 Serendipity before 2.6.0 SSRF via hex IPv4 and IPv6 addresses

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...

PT-2026-71457

Serendipity before 2.6.0 contains a server-side request forgery vulnerability in the serendipity url allowed 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 addres...

ROS-20260813-73-0032

The vulnerability in Gitea relates to the failure to release resources after their useful life has ended. Exploiting this vulnerability allows a malicious actor to cause service failures through specially created IPv6 traffic...

CVE-2026-49857: Server-Side Request Forgery (SSRF)

auth-fetch-mcp is an MCP server that lets AI assistants fetch content from authenticated web pages. Version 3.0.1 implements SSRF protection in assertSafeUrl src/security.ts to block requests to private and loopback addresses. However, the isPrivateV6 function fails to detect IPv4-mapped IPv6...

CVE-2026-73530: Server-Side Request Forgery (SSRF)

Flyto2 Core before 2.28.0 contains a server-side request forgery guard bypass vulnerability that allows attackers to reach internal services by supplying URLs using the unblocked IPv6 address :: which the kernel routes to loopback identically to 0.0.0.0. Attackers can submit requests or trigger 3...

CVE-2026-73629: Server-Side Request Forgery (SSRF)

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...