Postiz has Multiple SSRF Vectors - Webhooks, RSS Feed, URL Loader

Summary Postiz has multiple SSRF vulnerabilities where user-provided URLs are fetched server-side without any IP validation or SSRF protection. Vulnerable Code 1. Webhook Send Endpoint Most Critical apps/backend/src/api/routes/webhooks.controller.ts lines 58-70: typescript async sendWebhook@Body...

GHSA-89V5-38XR-9M4J Postiz has Multiple SSRF Vectors - Webhooks, RSS Feed, URL Loader

Summary Postiz has multiple SSRF vulnerabilities where user-provided URLs are fetched server-side without any IP validation or SSRF protection. Vulnerable Code 1. Webhook Send Endpoint Most Critical apps/backend/src/api/routes/webhooks.controller.ts lines 58-70: typescript async sendWebhook@Body...

CVE-2026-33766

WWBN AVideo is an open source video platform. In versions up to and including 26.0, isSSRFSafeURL validates URLs against private/reserved IP ranges before fetching, but urlgetcontents follows HTTP redirects without re-validating the redirect target. An attacker can bypass SSRF protection by...

CVE-2026-33644 Lychee has SSRF bypass via DNS rebinding — PhotoUrlRule only validates IP addresses, not hostnames resolving to internal IPs

Lychee is a free, open-source photo-management tool. Prior to version 7.5.2, the SSRF protection in PhotoUrlRule.php can be bypassed using DNS rebinding. The IP validation check line 86-89 only activates when the hostname is an IP address. When a domain name is used, filtervar$host,...

CVE-2026-33537

Lychee is a free, open-source photo-management tool. The patch introduced for GHSA-cpgw-wgf3-xc6v SSRF via Photo::fromUrl contains an incomplete IP validation check that fails to block loopback addresses and link-local addresses. Prior to version 7.5.1, an authenticated user can still reach...

CVE-2026-2455

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to canonicalize IPv4-mapped IPv6 addresses before reserved IP validation which allows an attacker to perform SSRF attacks against internal services via IPv4-mapped IPv6 literals e.g., ::ffff:127.0.0.1.. Mattermost...

PT-2026-28492

Name of the Vulnerable Software and Affected Versions Lychee versions prior to 7.5.1 Description Lychee is a free, open-source photo-management tool. A flaw exists in the IP validation check within the patch for an SSRF issue related to Photo::fromUrl. This incomplete check fails to block loopbac...

GO-2026-4746 Mattermost fails to canonicalize IPv4-mapped IPv6 addresses before reserved IP validation in github.com/mattermost/mattermost-server

Mattermost fails to canonicalize IPv4-mapped IPv6 addresses before reserved IP validation in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing...

WordPress plugin Membership Plugin – Restrict Content 授权问题漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application that can be install...

USN-8111-1: OpenStack Glance vulnerability

It was discovered that OpenStack Glance was incorrectly validating the IP addresses and the redirect destination URL when downloading or importing images from a remote source. An attacker could possibly use this issue to perform server-side request forgery and obtain sensitive information...

BMC FootPrints 代码问题漏洞

BMC FootPrints is an IT service management and ticket tracking system provided by the American company BMC. Versions of BMC FootPrints prior to 20.24.01.001 contained code vulnerabilities. These vulnerabilities stemmed from a flaw in the searchWeb API component, where blind server-side request...

CVE-2026-32255

Kan is an open-source project management tool. In versions 0.5.4 and below, the /api/download/attatchment endpoint has no authentication and no URL validation. The Attachment Download endpoint accepts a user-supplied URL query parameter and passes it directly to fetch server-side, and returns the...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the IP address validation process. An attacker can access internal network resources by submitting specially crafted IPv4-mapped IPv6 literals to bypass reserved IP checks. Remediation Upgrade...

Mattermost fails to canonicalize IPv4-mapped IPv6 addresses before reserved IP validation

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to canonicalize IPv4-mapped IPv6 addresses before reserved IP validation which allows an attacker to perform SSRF attacks against internal services via IPv4-mapped IPv6 literals e.g., ::ffff:127.0.0.1.. Mattermost...

Spinnaker clouddriver and orca URL validation bypass via underscores in hostnames

Impact Spinnaker updated URL Validation logic on user input to provide sanitation on user inputted URLs for clouddriver. However, they missed that Java URL objects do not correctly handle underscores on parsing. This led to a bypass of the previous CVE CVE-2025-61916 through the use of carefully...

CVE-2026-2455 SSRF bypass via IPv4-mapped IPv6 literals

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to canonicalize IPv4-mapped IPv6 addresses before reserved IP validation which allows an attacker to perform SSRF attacks against internal services via IPv4-mapped IPv6 literals e.g., ::ffff:127.0.0.1.. Mattermost...

CVE-2026-32111 ha-mcp OAuth 2.1 DCR mode enables network reconnaissance via an error oracle

ha-mcp is a Home Assistant MCP Server. Prior to 7.0.0, the ha-mcp OAuth consent form beta feature accepts a user-supplied haurl and makes a server-side HTTP request to haurl/api/config with no URL validation. An unauthenticated attacker can submit arbitrary URLs to perform internal network...

The Unofficial and Awesome Home Assistant MCP Server 代码问题漏洞

The Unofficial and Awesome Home Assistant MCP Server is an open-source component of the Unofficial Home Assistant AI Toolkit. It acts as a server that connects smart home platforms with AI assistants. Versions of the Unofficial and Awesome Home Assistant MCP Server prior to version 7.0.0 had code...

CVE-2026-30837 Elysia has a string URL format redos

Elysia is a Typescript framework for request validation, type inference, OpenAPI documentation and client-server communication. Prior to 1.4.26 , t.String format: 'url' is vulnerable to ReDoS. Repeating a partial url format protocol and hostname multiple times cause regex to slow down...

CVE-2026-28512

Pocket ID is an OIDC provider that allows users to authenticate with their passkeys to your services. From 2.0.0 to before 2.4.0, a flaw in callback URL validation allowed crafted redirecturi values containing URL userinfo @ to bypass legitimate callback pattern checks. If an attacker can trick a...