Duplicate Advisory: OpenClaw: Slack system events bypass sender authorization in member and message subtype handlers

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-v8cg-4474-49v8. This link is maintained to preserve external references. Original Description OpenClaw versions prior to 2026.2.26 fail to enforce sender authorization in member and message subtype system event...

GHSA-V8CG-4474-49V8 OpenClaw: Slack system events bypass sender authorization in member and message subtype handlers

Summary Slack member and message subtype system events messagechanged, messagedeleted, threadbroadcast were not consistently enforcing sender authorization before enqueueing system events. Affected Packages / Versions - Package: openclaw npm - Latest published version: 2026.2.25 - Affected range:...

Linux Distros Unpatched Vulnerability : CVE-2020-26890

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Matrix Synapse before 1.20.0 erroneously permits non-standard NaN, Infinity, and -Infinity JSON values in fields of m.room.member events, allowing remote...

CVE-2022-3351

An issue has been discovered in GitLab EE affecting all versions starting from 13.7 before 15.2.5, all versions starting from 15.3 before 15.3.4, all versions starting from 15.4 before 15.4.1. A user's primary email may be disclosed to an attacker through group member events webhooks...

CVE-2020-26890

Matrix Synapse before 1.20.0 erroneously permits non-standard NaN, Infinity, and -Infinity JSON values in fields of m.room.member events, allowing remote attackers to execute a denial of service attack against the federation and common Matrix clients. If such a malformed event is accepted into th...

DEBIAN-CVE-2020-26890

Matrix Synapse before 1.20.0 erroneously permits non-standard NaN, Infinity, and -Infinity JSON values in fields of m.room.member events, allowing remote attackers to execute a denial of service attack against the federation and common Matrix clients. If such a malformed event is accepted into th...

UBUNTU-CVE-2020-26890

Matrix Synapse before 1.20.0 erroneously permits non-standard NaN, Infinity, and -Infinity JSON values in fields of m.room.member events, allowing remote attackers to execute a denial of service attack against the federation and common Matrix clients. If such a malformed event is accepted into th...

PYSEC-2020-237

Matrix Synapse before 1.20.0 erroneously permits non-standard NaN, Infinity, and -Infinity JSON values in fields of m.room.member events, allowing remote attackers to execute a denial of service attack against the federation and common Matrix clients. If such a malformed event is accepted into th...

brantfordclub.ca XSS vulnerability

Open Bug Bounty ID: OBB-618687 Description| Value ---|--- Affected Website:| brantfordclub.ca Open Bug Bounty Program:| Create your bounty program now. It's open and free. Vulnerable Application:| Custom Code Vulnerability Type:| XSS Cross Site Scripting / CWE-79 CVSSv3 Score:| 6.1...