13 matches found
CVE-2026-16124 nextlevelbuilder GoClaw web_fetch web_shared.go isPrivateIP server-side request forgery
A security vulnerability has been detected in nextlevelbuilder GoClaw up to 3.15.0-beta.32. This affects the function CheckSSRF/isPrivateIP of the file internal/tools/webshared.go of the component webfetch. Such manipulation leads to server-side request forgery. The attack can be launched remotel...
CVE-2026-47389
Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, when using Ruby versions older than 3.4, PrivateAddressCheck.privateaddress? returns false for IPv4-mapped IPv6 addresses ::ffff:a.b.c.d corresponding to some private IPv4 addresses,...
CVE-2026-47389 Mastodon: SSRF protection bypass on older Ruby versions
Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, when using Ruby versions older than 3.4, PrivateAddressCheck.privateaddress? returns false for IPv4-mapped IPv6 addresses ::ffff:a.b.c.d corresponding to some private IPv4 addresses,...
CVE-2026-53945
Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, Ghost’s private-IP check for outbound HTTP requests could be bypassed via DNS rebinding, allowing an attacker to coerce the Ghost server into reaching hosts on internal networks through features that issue external fetches. Th...
ANT-2026-6DSMTXZ8 · mastodon · SSRF
ssrf high GHSA-crr4-7rm4-8gpw Severity Claude high · Security research firm high · Maintainer unknown Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Doyensec. ANT-2026-6DSMTXZ8: SSRF Bypass via IPv6 Unspecified...
CVE-2026-31943 LibreChat has SSRF protection bypass via IPv4-mapped IPv6 normalization in isPrivateIP
LibreChat is a ChatGPT clone with additional features. Prior to version 0.8.3, isPrivateIP in packages/api/src/auth/domain.ts fails to detect IPv4-mapped IPv6 addresses in their hex-normalized form, allowing any authenticated user to bypass SSRF protection and make the server issue HTTP requests ...
CVE-2026-32019
OpenClaw versions prior to 2026.2.22 contain incomplete IPv4 special-use range validation in the isPrivateIpv4 function, allowing requests to RFC-reserved ranges to bypass SSRF policy checks. Attackers with network reachability to special-use IPv4 ranges can exploit webfetch functionality to acce...
GHSA-2XVJ-J3QH-X8C3 private_address_check contains race condition
The privateaddresscheck ruby gem before 0.5.0 is vulnerable to a time-of-check time-of-use TOCTOU race condition due to the address the socket uses not being checked. DNS entries with a TTL of 0 can trigger this case where the initial resolution is a public address but the subsequent resolution i...
private_address_check ruby gem competition condition vulnerability
privateaddresscheck ruby gem is a Ruby-based checking tool for server-side request forgery attacks. A contention condition vulnerability exists in the privateaddresscheck ruby gem that stems from the program failing to detect the address used by a socket. No detailed vulnerability details are...
private_address_check ruby gem server-side request forgery vulnerability
privateaddresscheck ruby gem is a Ruby-based checking tool for server-side request forgery attacks. A server-side request forgery vulnerability exists in versions of the privateaddresscheck ruby gem prior to 0.4.1. An attacker can exploit this vulnerability to bypass blacklists and perform...
private_address_check ruby gem security restriction bypass vulnerability
privateaddresscheck ruby gem is a Ruby-based checking tool for server-side request forgery attacks. A security restriction bypass vulnerability exists in the privateaddresscheck ruby gem prior to version 0.4.0, which stems from the program's use of Ruby's Resolv.getaddresses method. An attacker...