Open WebUI: Channel members can overwrite another member's message via the chat completions endpoint

Summary Any member of a channel who can post to it could also replace the text of a message written by a different member. The channel branch of the chat completions endpoint checked that the caller may write to the channel, and that the targeted message belongs to that channel, but never checked...

CVE-2026-70481

CVE-2026-70481 Open WebUI, affected 0.5.0 through 0.10.2, patched in 0.11.0. Moderate, CVSS 5.4, CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L, CWE-284 and CWE-862. In backend/openwebui/routers/channels.py the message update and delete handlers branch on the channel type, and the two branches ask...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

CVE-2025-14847-MongoBleed-Exploit

CVE-2025-14847 - MongoBleed 👨‍💻 Autor: Furkan KAYAPINAR @FurkanKAYAPINAR ⚠️ SOLO CON FINES EDUCATIVOS Entorno de laboratorio y script de explotación para la vulnerabilidad crítica de fuga de memoria no autenticada en MongoDB Server. 📋 Tabla de Contenidos Resumen de la Vulnerabilidad Versiones...

CVE-2026-31281

CVE-2026-31281 Description Totara LMS is vulnerable to HTLM Injection. An attacker can inject malicious HTLM code in a message and send it to all the users in the application, resulting in executing the code and may lead to session hijacking and executing commands on the victim's browser CVSS 3...

Copy-Fail-CVE-2026-31431-Statically-PoC

Copy-Fail CVE-2026-31431 Static Go PoC This repository contains a Go port of the public Python proof of concept from theori-io/copy-fail-CVE-2026-31431. The program is Linux-only. It uses the Linux AFALG interface, AEAD control messages, and splice2 to preserve the behavior of the original PoC...

CLEANSTART-2026-EI39418 Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection

Multiple security vulnerabilities affect the trust-manager package. Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. See references for individual vulnerability details...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

CVE-2026-54048

Specifying tblproperties'avro.schema.url'=' http://...' or with a 'file:///' URI on a table in Impala 2.0.0 to 4.5.1 on all platforms allows an attacker to trigger a GET request to internal endpoints they may not have access to but that Impala does and the response my be exposed via parsing error...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

CVE-2026-18313

A flaw was found in libpcap, specifically within the rpcapd daemon. This vulnerability allows a remote attacker to cause a denial of service DoS by sending specially crafted RPCAPMSGUPDATEFILTERREQ or RPCAPMSGSTARTCAPREQ messages. The rpcapd daemon allocates memory for these messages but fails to...

Security Advisory 0177

Security Advisory 0177 PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release The CVE-ID tracking this issue: CVE-2026-77190 CVSSv3.1 Base Score: 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSSv4.0 Base Score: 6.0...

Microsoft Azure Entra ID OAuth Device Code Grant Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Microsoft Azure. Authentication is not required to exploit this vulnerability. The specific flaw exists within the OAuth Device Code Grant endpoint. The issue results from the generation of...

Log4Shell-CVE-2021-44228

Эксплуатация Log4Shell CVE-2021-44228: Полная современная демонстрационная лаборатория Log4Shell CVE-2021-44228 — одна из самых значительных уязвимостей удалённого выполнения кода из когда-либо раскрытых. Она затрагивает Apache Log4j 2 , широко используемый фреймворк для логирования на Java, и...

joi: Prototype pollution via a `__proto__` language key in custom messages

Impact An application that passes attacker-controlled data into joi's custom message configuration messages, message, prefs messages , Joi.extend messages or rule message lets the attacker write properties onto Object.prototype, where every object in the process then inherits them. A key named...

NPM: joi: Prototype pollution via a `__proto__` language key in custom messages

NPM: joi: Prototype pollution via a proto language key in custom messages vulnerability discovered by ? in WordPress Npm joi versions = 17.2.0, 17.13.6...