CVE-2026-33870

Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.132.Final and 4.2.10.Final, Netty incorrectly parses quoted strings in HTTP/1.1 chunked transfer encoding extension values, enabling request smuggling attacks. Versions 4.1.132.Final and 4.2.10.Final fi...

CVE-2026-34475

CVE-2026-34475 affects Varnish Cache (Open Source) ≤ 8.0.0 and Varnish Enterprise ≤ 6.0.16r11, where an unchecked req.url in HTTP/1.1 requests with a root path (/) can be passed to backends that accept absolute-form URIs, enabling cache poisoning or authentication bypass. The issue stems from how...

EUVD-2026-16769

LibreChat is a ChatGPT clone with additional features. In versions 0.8.2-rc1 through 0.8.3-rc1, user-created MCP Model Context Protocol servers can include arbitrary HTTP headers that undergo credential placeholder substitution. An attacker can create a malicious MCP server with headers containin...

CVE-2026-31951 LibreChat's MCP Server Header Injection Enables OAuth Token Theft

LibreChat is a ChatGPT clone with additional features. In versions 0.8.2-rc1 through 0.8.3-rc1, user-created MCP Model Context Protocol servers can include arbitrary HTTP headers that undergo credential placeholder substitution. An attacker can create a malicious MCP server with headers containin...

CVE-2026-31951

Vulnerability summary : LibreChat’s MCP server feature (versions 0.8.2-rc1 to 0.8.3-rc1) allows arbitrary HTTP headers that undergo credential placeholder substitution. An attacker can host a malicious MCP server with headers like {{LIBRECHAT_OPENID_ACCESS_TOKEN}} to exfiltrate victims’ OAuth tok...

CVE-2026-31951 LibreChat's MCP Server Header Injection Enables OAuth Token Theft

LibreChat is a ChatGPT clone with additional features. In versions 0.8.2-rc1 through 0.8.3-rc1, user-created MCP Model Context Protocol servers can include arbitrary HTTP headers that undergo credential placeholder substitution. An attacker can create a malicious MCP server with headers containin...

CVE-2026-31951

LibreChat is a ChatGPT clone with additional features. In versions 0.8.2-rc1 through 0.8.3-rc1, user-created MCP Model Context Protocol servers can include arbitrary HTTP headers that undergo credential placeholder substitution. An attacker can create a malicious MCP server with headers containin...

CVE-2026-31951 LibreChat's MCP Server Header Injection Enables OAuth Token Theft

LibreChat is a ChatGPT clone with additional features. In versions 0.8.2-rc1 through 0.8.3-rc1, user-created MCP Model Context Protocol servers can include arbitrary HTTP headers that undergo credential placeholder substitution. An attacker can create a malicious MCP server with headers containin...

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-2026-28369

A flaw was found in Undertow. When Undertow receives an HTTP request where the first header line starts with one or more spaces, it incorrectly processes the request by stripping these leading spaces. This behavior, which violates HTTP standards, can be exploited by a remote attacker to perform...

CVE-2025-55271

HCL Aftermarket DPC is affected by HTTP Response Splitting vulnerability where in depending on how the web application handles the split response, an attacker may be able to execute arbitrary commands or inject harmful content into the response...

CVE-2026-27813

EVerest is an EV charging software stack. Versions prior to 2026.02.0 have a data race leading to use-after-free. This is triggered by EV plug-in/unplug and RFID/RemoteStart/OCPP authorization events or delayed authorization response. Version 2026.2.0 contains a patch...

CVE-2026-26071

EVerest is an EV charging software stack. Versions prior to 2026.02.0 have a data race leading to std::string concurrent access. with heap-use-after-free possible. This is triggered by EVCCID update EV/ISO15118 and OCPP session/authorization events. Version 2026.02.0 contains a patch...

CLSA-2026-1774622460 squid: Fix of 3 CVEs

CVE-2025-59362: fix ASN.1 encoding of long SNMP OIDs - CVE-2026-33526: do not escape malformed URI twice when sending ICP errors - CVE-2026-33515: fix validation of ICP packet sizes and URLs...

CLSA-2026-1774614606 python3: Fix of CVE-2025-15366

CVE-2025-15366: reject control characters in IMAP commands...

CLSA-2026-1774613805 python3: Fix of CVE-2025-15366

CVE-2025-15366: reject control characters in IMAP commands...

OESA-2026-1716 freerdp security update

FreeRDP is a client implementation of the Remote Desktop Protocol RDP that follows Microsoft's open specifications. This package provides the client applications xfreerdp. Security Fixes: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, Integer Underflow in...

EUVD-2026-16573

If authusernamechars is empty, it is possible to inject arbitrary LDAP filter to Dovecot's LDAP authentication. This leads to potentially bypassing restrictions and allows probing of LDAP structure. Do not clear out authusernamechars, or install fixed version. No publicly available exploits are...

EUVD-2026-16563

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

CVE-2026-27858

Attacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount of memory. Attacker can force managesieve-login to be unavailable by repeatedly crashing the process. Protect access to managesieve protocol, or install fixed version. No public...