PYSEC-2026-2978 Pydantic AI: SSRF cloud-metadata blocklist bypass via IPv4-mapped IPv6 (Incomplete fix of CVE-2026-25580)

Summary When an application using Pydantic AI opts a URL into forcedownload='allow-local' which disables the default block on private/internal IPs, the cloud-metadata blocklist could be bypassed by encoding the metadata IP in an IPv6 transition form IPv4-mapped IPv6, 6to4, or NAT64. Dual-stack an...

PYSEC-2026-2982 Pydantic AI: SSRF cloud-metadata blocklist bypass via IPv4-mapped IPv6 (Incomplete fix of CVE-2026-25580)

Summary When an application using Pydantic AI opts a URL into forcedownload='allow-local' which disables the default block on private/internal IPs, the cloud-metadata blocklist could be bypassed by encoding the metadata IP in an IPv6 transition form IPv4-mapped IPv6, 6to4, or NAT64. Dual-stack an...

PYSEC-2026-2702 Open WebUI has a full SSRF Vulnerability in the RAG Web Search Feature

SSRF Bypass via IPv6/IPv4-mapped IPv6/IPv4-reserved-ranges in validateurl Summary validateurl in backend/openwebui/retrieval/web/utils.py calls validators.ipv6ip, private=True, but the validators library does NOT implement the private keyword for IPv6 — the call raises a ValidationError which is...

EUVD-2026-43306

A Server-Side Request Forgery SSRF protection bypass existed in the htmltomarkdown expansion module of misp-modules. The module attempts to prevent requests to loopback, private, link-local, and other restricted IP address ranges. However, IP addresses were compared against the blocked ranges...

CVE-2026-62143

A Server-Side Request Forgery SSRF protection bypass existed in the htmltomarkdown expansion module of misp-modules. The module attempts to prevent requests to loopback, private, link-local, and other restricted IP address ranges. However, IP addresses were compared against the blocked ranges...

CVE-2026-62143 Server-Side Request Forgery protection bypass in misp-modules html_to_markdown via IPv4-mapped IPv6 addresses

A Server-Side Request Forgery SSRF protection bypass existed in the htmltomarkdown expansion module of misp-modules. The module attempts to prevent requests to loopback, private, link-local, and other restricted IP address ranges. However, IP addresses were compared against the blocked ranges...

CVE-2026-62143 Server-Side Request Forgery protection bypass in misp-modules html_to_markdown via IPv4-mapped IPv6 addresses

A Server-Side Request Forgery SSRF protection bypass existed in the htmltomarkdown expansion module of misp-modules. The module attempts to prevent requests to loopback, private, link-local, and other restricted IP address ranges. However, IP addresses were compared against the blocked ranges...

Linux Distros Unpatched Vulnerability : CVE-2026-53450

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.13.0, coturn rejects loopback peers by default unless allow-loopback-peers is...

CVE-2026-53450

A flaw was found in Coturn, an open-source implementation of TURN and STUN servers. An authenticated TURN client can bypass the default loopback protection mechanism by using an IPv4-mapped IPv6 peer address. This allows the client to expose services that are intended to be accessible only from t...

EUVD-2026-42427

Monsta FTP before 2.14.5 contains a server-side request forgery vulnerability in the fetchRemoteFile action caused by an incomplete IP blocklist check in the isBlockedIP function, which fails to detect embedded IPv4 addresses within IPv4-mapped IPv6 addresses. An unauthenticated attacker can obta...

CVE-2026-60105 Monsta FTP < 2.14.5 SSRF via IPv4-Mapped IPv6 Address Bypass

Monsta FTP before 2.14.5 contains a server-side request forgery vulnerability in the fetchRemoteFile action caused by an incomplete IP blocklist check in the isBlockedIP function, which fails to detect embedded IPv4 addresses within IPv4-mapped IPv6 addresses. An unauthenticated attacker can obta...

BIT-MASTODON-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,...

SUSE CVE-2026-44492

Axios is a promise based HTTP client for the browser and Node.js. Prior to 0.32.0 and 1.16.0, Axios does not normalise IPv4-mapped IPv6 addresses. When NOPROXY lists an IPv4 address such as 127.0.0.1 or 169.254.169.254, a request URL using the IPv4-mapped IPv6 form ::ffff:7f00:1, ::ffff:a9fe:a9fe...

CVE-2026-56663

AutoGPT is a workflow automation platform for creating, deploying, and managing continuous artificial intelligence agents. Prior to 0.6.52, an authenticated user can bypass the SSRF / private-IP protections in SendWebRequestBlock and reach internal network services. isipblocked in...

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,...

Mailpit: Incomplete SSRF protection in Link Check API via IPv6 transition mechanisms

Summary The remediation shipped in mailpit v1.29.2 for GHSA-mpf7-p9x7-96r3 CVE-2026-27808 is incomplete. The tools.IsInternalIP deny-list relies on Go's stdlib classification helpers IsLoopback, IsPrivate, IsLinkLocalUnicast, IsLinkLocalMulticast, IsUnspecified, IsMulticast plus an inline CGNAT...

CVE-2026-47684

Sync-in Server is a secure, open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.3.0, the private IP blocklist regex used in the URL download feature does not match IPv4-mapped IPv6 addresses e.g. ::ffff:127.0.0.1, allowing SSRF protection to be bypassed ...

CVE-2026-47684

CVE-2026-47684 — Sync-in Server SSRF bypass (IPv4-mapped IPv6 addresses) Affected product: Sync-in Server (file storage/sharing/collaboration). Vulnerability: The private IP blocklist regex (regExpPrivateIP) used in the URL download feature does not match IPv4-mapped IPv6 addresses (e.g., ::ffff:...

DEBIAN-CVE-2026-44492

Axios is a promise based HTTP client for the browser and Node.js. Prior to 0.32.0 and 1.16.0, Axios does not normalise IPv4-mapped IPv6 addresses. When NOPROXY lists an IPv4 address such as 127.0.0.1 or 169.254.169.254, a request URL using the IPv4-mapped IPv6 form ::ffff:7f00:1, ::ffff:a9fe:a9fe...

CVE-2026-44492

Axios is a promise based HTTP client for the browser and Node.js. Prior to 0.32.0 and 1.16.0, Axios does not normalise IPv4-mapped IPv6 addresses. When NOPROXY lists an IPv4 address such as 127.0.0.1 or 169.254.169.254, a request URL using the IPv4-mapped IPv6 form ::ffff:7f00:1, ::ffff:a9fe:a9fe...