GHSA-VGRC-HQ28-P3XP Hysteria has an authenticated UDP ACL bypass that enables localhost and private-network UDP SSRF

Summary Hysteria's UDP relay treats the destination address as packet-scoped, but ACL and outbound policy are applied only once when a new UDP session is created. After an authenticated client opens a UDP session using an allowed first destination, later packets in the same Session ID can be sent...

GHSA-CG7W-RG45-PC59 pydantic-ai: SSRF blocklist bypass via IPv4-compatible, SIIT/IVI, and local NAT64 IPv6 addresses (incomplete fix of CVE-2026-46678)

Summary When an application using Pydantic AI opts a URL into forcedownload='allow-local' which disables the default block on private/internal IPs and runs on a network that routes the affected IPv6 transition forms NAT64- or ISATAP-configured networks, the cloud-metadata blocklist could be...

CVE-2026-28385

In Canonical LXD versions 4.12 through 6.9, a Server-Side Request Forgery SSRF vulnerability in the image import functionality allows authenticated users with the cancreateimages entitlement to interact with internal network infrastructure via the /images endpoint. When importing an image from a...

EUVD-2026-39805

In Canonical LXD versions 4.12 through 6.9, a Server-Side Request Forgery SSRF vulnerability in the image import functionality allows authenticated users with the cancreateimages entitlement to interact with internal network infrastructure via the /images endpoint. When importing an image from a...

EUVD-2026-39779

Mattermost versions 10.11.x = 10.11.18, 11.6.x = 11.6.3, 11.5.x = 11.5.6 fail to validate attachment URLs against internal or private IP ranges in the Mattermost Agents plugin MCP server which allows an attacker with access to the MCP server in stdio mode to perform server-side request forgery SS...

CVE-2026-4339

Mattermost versions 10.11.x = 10.11.18, 11.6.x = 11.6.3, 11.5.x = 11.5.6 fail to validate attachment URLs against internal or private IP ranges in the Mattermost Agents plugin MCP server which allows an attacker with access to the MCP server in stdio mode to perform server-side request forgery SS...

PT-2026-53022

Name of the Vulnerable Software and Affected Versions Nebula Mesh affected versions not specified Description The web UI /ui/ fails to apply per-operator Certificate Authority CA scoping. This allows any authenticated non-admin operator to access, block, or delete resources belonging to other...

PT-2026-52849

Name of the Vulnerable Software and Affected Versions Canonical LXD versions 4.12 through 6.9 Description A Server-Side Request Forgery SSRF issue exists in the image import functionality. Authenticated users possessing the can create images entitlement can interact with internal network...

CVE-2026-13318

A server-side request forgery SSRF flaw was found in KubeVirt's virt-api port-forward handler. When processing a port-forward request to a VirtualMachineInstance VMI, virt-api reads the target IP from vmi.Status.Interfaces0.IP and passes it directly to net.Dial without validation. For VMIs using...

CVE-2026-56771 NewsBlur < 14.5.0 - Server-Side Request Forgery via add_url Endpoint

NewsBlur before version 14.5.0 contains a server-side request forgery vulnerability in the addurl endpoint that allows authenticated users to make arbitrary server requests to internal networks by failing to filter private IP addresses. Attackers can exploit this to access localhost services and...

EUVD-2026-39524

NewsBlur before version 14.5.0 contains a server-side request forgery vulnerability in the addurl endpoint that allows authenticated users to make arbitrary server requests to internal networks by failing to filter private IP addresses. Attackers can exploit this to access localhost services and...

CVE-2026-56771 NewsBlur < 14.5.0 - Server-Side Request Forgery via add_url Endpoint

NewsBlur before version 14.5.0 contains a server-side request forgery vulnerability in the addurl endpoint that allows authenticated users to make arbitrary server requests to internal networks by failing to filter private IP addresses. Attackers can exploit this to access localhost services and...

CVE-2026-56771 NewsBlur < 14.5.0 - Server-Side Request Forgery via add_url Endpoint

NewsBlur before version 14.5.0 contains a server-side request forgery vulnerability in the addurl endpoint that allows authenticated users to make arbitrary server requests to internal networks by failing to filter private IP addresses. Attackers can exploit this to access localhost services and...

CVE-2026-56771

NewsBlur prior to 14.5.0 is affected by an SSRF in the add_url endpoint. The issue lets authenticated users trigger arbitrary server requests to internal networks by failing to filter private IPs, potentially reaching localhost services and cloud metadata endpoints. This enables internal network ...

PT-2026-52545

Name of the Vulnerable Software and Affected Versions NewsBlur versions prior to 14.5.0 Description Authenticated users can perform server-side request forgery SSRF via the 'add url' endpoint. This occurs because the application fails to filter private IP addresses, allowing arbitrary server...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the webhook delivery process. An attacker can access internal network resources by supplying a webhook URL that follows redirects to hostnames within restricted local address ranges. Remediation Upgra...

CVE-2026-47267

Gogs webhook deliveries (CVE-2026-47267) enable SSRF via redirects even after the CVE-2022-1285 fix; localCIDR/169.254.169.254 exposure was demonstrated in GHSA advisory. Affected: Gogs before 0.14.3; fix: upgrade to 0.14.3 (or apply redirect-checking mitigation, e.g., Client.CheckRedirect). Impa...

CVE-2026-47267

Gogs is an open source self-hosted Git service. Prior to 0.14.3, the fix for CVE-2022-1285 prevents adding webooks or running webhooks with URLs with a hostname that resolves in localCIDRs. However, webhooks still follow redirects allowing to access hostname inside localCIDRs. This vulnerability ...

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...

CVE-2026-53945 Ghost: Server-side request forgery via DNS rebinding in external request handling

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...