CVE-2026-85738

TREK is a collaborative travel planner. Prior to 3.4.0, the checkSsrf logic in server/src/utils/ssrfGuard.ts does not recognize NAT64, 6to4, or Teredo IPv6 transition addresses that encode an IPv4 destination. An authenticated user who controls a DNS record can supply a URL whose AAAA result is a...

CVE-2026-85738 TREK: SSRF Guard Bypass via IPv6 Transition Addresses (NAT64/6to4)

TREK is a collaborative travel planner. Prior to 3.4.0, the checkSsrf logic in server/src/utils/ssrfGuard.ts does not recognize NAT64, 6to4, or Teredo IPv6 transition addresses that encode an IPv4 destination. An authenticated user who controls a DNS record can supply a URL whose AAAA result is a...

CVE-2026-85738: Server-Side Request Forgery (SSRF)

TREK is a collaborative travel planner. Prior to 3.4.0, the checkSsrf logic in server/src/utils/ssrfGuard.ts does not recognize NAT64, 6to4, or Teredo IPv6 transition addresses that encode an IPv4 destination. An authenticated user who controls a DNS record can supply a URL whose AAAA result is a...

CVE-2026-93597 ArcadeDB before 26.9.1 SSRF via IPv6 transition addresses

ArcadeDB versions before 26.9.1 fail to validate IPv6 transition addresses in the SSRF guard used by IMPORT DATABASE and server commands. Authenticated attackers can supply URLs resolving to NAT64, 6to4, or Teredo addresses embedding RFC 1918 or loopback IPv4 payloads to reach internal services a...

CVE-2026-93597 ArcadeDB before 26.9.1 SSRF via IPv6 transition addresses

ArcadeDB versions before 26.9.1 fail to validate IPv6 transition addresses in the SSRF guard used by IMPORT DATABASE and server commands. Authenticated attackers can supply URLs resolving to NAT64, 6to4, or Teredo addresses embedding RFC 1918 or loopback IPv4 payloads to reach internal services a...

EUVD-2026-82892

ArcadeDB versions before 26.9.1 fail to validate IPv6 transition addresses in the SSRF guard used by IMPORT DATABASE and server commands. Authenticated attackers can supply URLs resolving to NAT64, 6to4, or Teredo addresses embedding RFC 1918 or loopback IPv4 payloads to reach internal services a...

CVE-2026-93597: Server-Side Request Forgery (SSRF)

ArcadeDB versions before 26.9.1 fail to validate IPv6 transition addresses in the SSRF guard used by IMPORT DATABASE and server commands. Authenticated attackers can supply URLs resolving to NAT64, 6to4, or Teredo addresses embedding RFC 1918 or loopback IPv4 payloads to reach internal services a...

CVE-2026-88896: Server-Side Request Forgery (SSRF)

EspoCRM before 10.0.4 is vulnerable to server-side request forgery. HostCheck::ipAddressIsNotInternal, which validates outbound URLs to block requests to internal/private IP addresses, strips ::ffff: IPv4-mapped IPv6 prefixes but does not recognize IPv6 transition addresses that embed private IPv...

EUVD-2026-72871

snipe-it versions before 8.7.0 contain a server-side request forgery vulnerability in the ExternalUrl validation rule that fails to detect IPv6 transition addresses encoding private IPv4 targets. Attackers with super-admin privileges can configure webhook URLs using NAT64, 6to4, or Teredo...

CVE-2026-86735: Server-Side Request Forgery (SSRF)

snipe-it versions before 8.7.0 contain a server-side request forgery vulnerability in the ExternalUrl validation rule that fails to detect IPv6 transition addresses encoding private IPv4 targets. Attackers with super-admin privileges can configure webhook URLs using NAT64, 6to4, or Teredo...

CVE-2026-79749

MCPHub is a unified hub for centrally managing and dynamically orchestrating multiple MCP servers/APIs into separate endpoints with flexible routing strategies. Prior to version 1.0.32, MCPHub's SSRF guard in src/utils/ssrf.ts uses a custom isBlockedIpv6 function that only checks for loopback,...

CVE-2026-79749

MCPHub (a hub for centrally managing and orchestrating multiple MCP servers/APIs) has an SSRF guard bypass in its isBlockedIpv6 function within src/utils/ssrf.ts. Prior to version 1.0.32 , the guard only blocked loopback, link-local, unique-local, IPv4-mapped, and IPv4-compatible IPv6 addresses, ...

CVE-2026-79749 MCPHub: SSRF Guard Bypass via IPv6 Transition Addresses in URL Validation

MCPHub is a unified hub for centrally managing and dynamically orchestrating multiple MCP servers/APIs into separate endpoints with flexible routing strategies. Prior to version 1.0.32, MCPHub's SSRF guard in src/utils/ssrf.ts uses a custom isBlockedIpv6 function that only checks for loopback,...

CVE-2026-81678 AVideo SSRF Guard Bypass via IPv6 Transition Addresses

AVideo before 24.0 contains a server-side request forgery vulnerability in the isSSRFSafeURL function that fails to extract embedded IPv4 addresses from NAT64, 6to4, and Teredo IPv6 transition address formats. Unauthenticated attackers can bypass SSRF protections via the LiveLinks proxy endpoint ...

PT-2026-82579

AVideo before 24.0 contains a server-side request forgery vulnerability in the isSSRFSafeURL function that fails to extract embedded IPv4 addresses from NAT64, 6to4, and Teredo IPv6 transition address formats. Unauthenticated attackers can bypass SSRF protections via the LiveLinks proxy endpoint ...

EUVD-2026-60586

SiYuan before v3.7.4 contains a server-side request forgery SSRF vulnerability in the isPrivateIP function in kernel/util/net.go, used by SSRFSafeDialer to enforce SSRF protection in SafeMode. The function only checks for loopback, link-local unicast, private, and unspecified addresses and does n...

CVE-2026-74905

SiYuan before v3.7.4 contains a server-side request forgery SSRF vulnerability in the isPrivateIP function in kernel/util/net.go, used by SSRFSafeDialer to enforce SSRF protection in SafeMode. The function only checks for loopback, link-local unicast, private, and unspecified addresses and does n...

CVE-2026-74905 SiYuan before v3.7.4 SSRF via IPv6 Transition Address Bypass

SiYuan before v3.7.4 contains a server-side request forgery SSRF vulnerability in the isPrivateIP function in kernel/util/net.go, used by SSRFSafeDialer to enforce SSRF protection in SafeMode. The function only checks for loopback, link-local unicast, private, and unspecified addresses and does n...

CVE-2026-74905

SiYuan before v3.7.4 contains a full-read SSRF vulnerability in the isPrivateIP function (kernel/util/net.go), which powers the SSRFSafeDialer SSRF guard in SafeMode. The function fails to recognize IPv6 transition addresses (NAT64 64:ff9b::/96, 6to4 2002::/16, Teredo 2001::/32) that embed privat...

CVE-2026-74905: Server-Side Request Forgery (SSRF)

SiYuan before v3.7.4 contains a server-side request forgery SSRF vulnerability in the isPrivateIP function in kernel/util/net.go, used by SSRFSafeDialer to enforce SSRF protection in SafeMode. The function only checks for loopback, link-local unicast, private, and unspecified addresses and does n...