CVE-2026-86867 Cinnamon's kotaemon contains improper authorization checks in multi‑user chat handlers

Cinnamon's Kotaemon all versions up to and including v0.12.0 multi-user chat interface contains multiple vulnerabilities due to incorrect authorization and improper access controls. There are four handler methods in libs/ktem/ktem/pages/chat/control.py that load a Conversation record by its ID...

CVE-2026-86867 Cinnamon's kotaemon contains improper authorization checks in multi‑user chat handlers

Cinnamon's Kotaemon all versions up to and including v0.12.0 multi-user chat interface contains multiple vulnerabilities due to incorrect authorization and improper access controls. There are four handler methods in libs/ktem/ktem/pages/chat/control.py that load a Conversation record by its ID...

Cinnamon's Kotaemon contains improper authorization checks in Kotaemon multi‑user chat handlers

Overview Cinnamon's Kotaemon all versions up to v0.12.0 multi‑user chat interface does not verify conversation ownership when loading a conversation. Any authenticated user can read, delete, rename, or overwrite another user’s conversation data by supplying the correct ID. This results in...

EUVD-2021-24159

Malware in sbrugna...

EUVD-2021-28206

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2021-41055

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service crash via a crafted XMPP Last Message Correction XEP-0308 message in...

CVE-2021-37601

muc.lib.lua in Prosody 0.11.0 through 0.11.9 allows remote attackers to obtain sensitive information list of admins, members, owners, and banned entities of a Multi-User chat room in some common configurations...

SUSE CVE-2021-37601

muc.lib.lua in Prosody 0.11.0 through 0.11.9 allows remote attackers to obtain sensitive information list of admins, members, owners, and banned entities of a Multi-User chat room in some common configurations...

SUSE CVE-2021-41055

Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service crash via a crafted XMPP Last Message Correction XEP-0308 message in multi-user chat, where the message ID equals the correction ID...

Cross site scripting

Convos is an open source multi-user chat that runs in a web browser. Characters starting with "https://" in the chat window create an tag. Stored XSS vulnerability using onfocus and autofocus occurs because escaping exists for "" but escaping for double quotes does not exist. Through this...

CVE-2022-21649

Convos (open source multi-user web chat) is affected by a Stored XSS in chat messages. The vulnerability arises because escaping exists for but not for double quotes, enabling attacker-controlled scripts via the chat window (e.g., injected by https:// links that become tags). The root cause is ...

CVE-2022-21649 Stored XSS via attribute in convos

Convos is an open source multi-user chat that runs in a web browser. Characters starting with "https://" in the chat window create an tag. Stored XSS vulnerability using onfocus and autofocus occurs because escaping exists for "" but escaping for double quotes does not exist. Through this...

CVE-2021-41055

Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service crash via a crafted XMPP Last Message Correction XEP-0308 message in multi-user chat, where the message ID equals the correction ID...

CVE-2021-41055

Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service crash via a crafted XMPP Last Message Correction XEP-0308 message in multi-user chat, where the message ID equals the correction ID...

DEBIAN-CVE-2021-41055

Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service crash via a crafted XMPP Last Message Correction XEP-0308 message in multi-user chat, where the message ID equals the correction ID...

CVE-2021-41055

Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service crash via a crafted XMPP Last Message Correction XEP-0308 message in multi-user chat, where the message ID equals the correction ID...

UBUNTU-CVE-2021-41055

Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service crash via a crafted XMPP Last Message Correction XEP-0308 message in multi-user chat, where the message ID equals the correction ID...

CVE-2021-41055: Undefined Security Weakness

Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service crash via a crafted XMPP Last Message Correction XEP-0308 message in multi-user chat, where the message ID equals the correction ID...

CVE-2021-37601

muc.lib.lua in Prosody 0.11.0 through 0.11.9 allows remote attackers to obtain sensitive information list of admins, members, owners, and banned entities of a Multi-User chat room in some common configurations...

CVE-2021-37601

muc.lib.lua in Prosody 0.11.0 through 0.11.9 allows remote attackers to obtain sensitive information list of admins, members, owners, and banned entities of a Multi-User chat room in some common configurations...