nginx-ui's Unauthenticated MCP Endpoint Allows Remote Nginx Takeover

The nginx-ui MCP Model Context Protocol integration exposes two HTTP endpoints: /mcp and /mcpmessage. While /mcp requires both IP whitelisting and authentication AuthRequired middleware, the /mcpmessage endpoint only applies IP whitelisting - and the default IP whitelist is empty, which the...

PT-2026-28758

Name of the Vulnerable Software and Affected Versions Totolink A3300R version 17.0.0cu.557 b20221024 Description A security issue exists in Totolink A3300R version 17.0.0cu.557 b20221024. The setStaticRoute function within the /cgi-bin/cstecgi.cgi file is susceptible to command injection through...

TOTOLINK A3300R Command Injection Vulnerability

TOTOLINK A3300R is a wireless router produced by TOTOLINK, a Chinese company. The TOTOLINK A3300R version 17.0.0cu.557b20221024 contains a command injection vulnerability. This vulnerability arises from incorrect handling of the parameter “ip” in the file /cgi-bin/cstecgi.cgi, which may lead to...

PT-2026-29016

Free IP Switcher 3.1 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Computer Name field. Attackers can paste a malicious payload into the Computer Name input field and click Activate to trigger a denial ...

CVE-2026-31943

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 ...

curl: CRLF Injection in HAProxy PROXY Protocol via CURLOPT_HAPROXY_CLIENT_IP allows IP spoofing and protocol injection

Summary: CURLOPTHAPROXYCLIENTIP introduced in curl 8.2.0 accepts arbitrary strings without any validation or sanitization before injecting them into the HAProxy PROXY protocol v1 header. An attacker who can influence the value passed to this option e.g., through a web application that proxies...

[SECURITY] Fedora 43 Update: suricata-7.0.15-1.fc43

The Suricata Engine is an Open Source Next Generation Intrusion Detection and Prevention Engine. This engine is not intended to just replace or emulate the existing tools in the industry, but will bring new ideas and technologies to the field. This new Engine supports Multi-threading, Automatic...

SUSE CVE-2026-33621

PinchTab is a standalone HTTP server that gives AI agents direct control over a Chrome browser. PinchTab v0.7.7 through v0.8.4 contain incomplete request-throttling protections for auth-checkable endpoints. In v0.7.7 through v0.8.3, a fully implemented RateLimitMiddleware existed in...

[SECURITY] Fedora 44 Update: suricata-8.0.4-1.fc44

The Suricata Engine is an Open Source Next Generation Intrusion Detection and Prevention Engine. This engine is not intended to just replace or emulate the existing tools in the industry, but will bring new ideas and technologies to the field. This new Engine supports Multi-threading, Automatic...

PT-2026-28800

Name of the Vulnerable Software and Affected Versions Nezha Monitoring versions 2.0.14 through 2.0.19 Description The software allows the 'PATCH /server/id' endpoint to accept and store nonexistent ddns profiles IDs for a server owned by a member. If a different user subsequently creates a DDNS...

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-2026-33644

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-2026-33619

PinchTab is a standalone HTTP server that gives AI agents direct control over a Chrome browser. PinchTab v0.8.3 contains a server-side request forgery issue in the optional scheduler's webhook delivery path. When a task is submitted to POST /tasks with a user-controlled callbackUrl, the v0.8.3...

CVE-2026-31945 LibreChat Server-Side Request Forgery using DNS resolution

LibreChat is a ChatGPT clone with additional features. Versions 0.8.2-rc2 through 0.8.2 are vulnerable to a server-side request forgery SSRF attack when using agent actions or MCP. Although a previous SSRF vulnerability...

CVE-2026-31945

LibreChat is a ChatGPT clone with additional features. Versions 0.8.2-rc2 through 0.8.2 are vulnerable to a server-side request forgery SSRF attack when using agent actions or MCP. Although a previous SSRF vulnerability...

EUVD-2026-16765

LibreChat is a ChatGPT clone with additional features. Versions 0.8.2-rc2 through 0.8.2 are vulnerable to a server-side request forgery SSRF attack when using agent actions or MCP. Although a previous SSRF vulnerability...

CVE-2026-31943

LibreChat prior to 0.8.3 contains an SSRF protection bypass in isPrivateIP() (packages/api/src/auth/domain.ts) that fails to detect IPv4‑mapped IPv6 addresses in hex-normalized form. This allows any authenticated user to cause the server to issue HTTP requests to internal resources (e.g., AWS 169...

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 ...

Vulnerabilities fixed in F5 Networks BIG-IP, F5OS and NGINX App Protect WAF

F5 Networks has fixed vulnerabilities in the BIG-IP and F5OS product lines and NGINX App Protect WAF. The vulnerabilities include several configuration issues and exploit vectors. A malicious party can exploit the vulnerabilities to launch attacks that can lead to the following categories of...

SUSE-SU-2026:1136-1 Security update for the Linux Kernel (Live Patch 7 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.25 fixes various security issues The following security issues were fixed: - CVE-2025-40258: mptcp: fix race condition in mptcpschedulework bsc1255053. - CVE-2025-40297: net: bridge: fix use-after-free due to MST port state bypass...