CVE-2026-56266

CVE-2026-56266 affects Crawl4AI prior to 0.8.7. The vulnerability is a server-side request forgery in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user‑supplied URLs without validation. Unauthenticated attackers can bypass the internal-address blocklist using IPv6‑mappe...

EUVD-2026-38366

Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user-supplied URLs without validation. Unauthenticated attackers can bypass the internal-address blocklist using IPv6-mapped IPv4 addresses to reac...

CVE-2026-43929

ssrfcheck is a library that checks if a string contains a potential SSRF attack. In 1.3.0 and earlier, ssrfcheck fails to block Server-Side Request Forgery attacks when the target private IP address is encoded as an IPv4-mapped IPv6 address e.g. http://::ffff:127.0.0.1/. The WHATWG URL parser bui...

CVE-2026-43929 ssrfcheck: Server-Side Request Forgery (SSRF) and Incomplete List of Disallowed Inputs

ssrfcheck is a library that checks if a string contains a potential SSRF attack. In 1.3.0 and earlier, ssrfcheck fails to block Server-Side Request Forgery attacks when the target private IP address is encoded as an IPv4-mapped IPv6 address e.g. http://::ffff:127.0.0.1/. The WHATWG URL parser bui...

Fedora 44 : perl-Net-CIDR-Lite (2026-fe487aa625)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-fe487aa625 advisory. This update addresses two security issues regarding incorrect handling of malformed IPv6 addresses: Fix IPv4 mapped IPv6 packed length CVE-2026-4019...

Server-side Request Forgery (SSRF)

Overview wwbn/avideo is an Audio and Video Platform or simply "A Video Platform". Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the isSSRFSafeURL function in the unauthenticated plugin/LiveLinks/proxy.php endpoint. An attacker can access internal network...

GHSA-P3GR-G84W-G8HH AVideo has a SSRF Protection Bypass via IPv4-Mapped IPv6 Addresses in Unauthenticated LiveLinks Proxy

Summary The isSSRFSafeURL function in AVideo can be bypassed using IPv4-mapped IPv6 addresses ::ffff:x.x.x.x. The unauthenticated plugin/LiveLinks/proxy.php endpoint uses this function to validate URLs before fetching them with curl, but the IPv4-mapped IPv6 prefix passes all checks, allowing an...

Server-side Request Forgery (SSRF)

Overview is-localhost-ip is a Checks whether given DNS name or IPv4/IPv6 address belongs to a local machine Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the isLocalhost function which misclassifies IP addresses and allows localhost checks to be bypassed...

golang: net/netip: Unexpected behavior from Is methods for IPv4-mapped IPv6 addresses

A flaw was found in the Go language standard library net/netip. The method Is IsPrivate, IsPublic, etc doesn't behave properly when working with IPv6 mapped to IPv4 addresses. The unexpected behavior can lead to integrity and confidentiality issues, specifically when these methods are used to...

Security update for go1.21-openssl

This update for go1.21-openssl fixes the following issues: CVE-2024-24791: Fixed denial of service due to improper 100-continue handling bsc1227314 CVE-2024-24789: Fixed mishandling of corrupt central directory record in archive/zip bsc1225973 CVE-2024-24790: Fixed unexpected behavior from Is...

golang: net/netip: Unexpected behavior from Is methods for IPv4-mapped IPv6 addresses

A flaw was found in the Go language standard library net/netip. The method Is IsPrivate, IsPublic, etc doesn't behave properly when working with IPv6 mapped to IPv4 addresses. The unexpected behavior can lead to integrity and confidentiality issues, specifically when these methods are used to...