CVE-2026-53823 HIGH

CVE-2026-53823: OpenClaw < 2026.5.3 - Privilege Escalation via Mutable Slack Display Names in allowFrom

Vendor Openclaw
Product OpenClaw
Weakness CWE-290
Published June 12, 2026
Last update June 15, 2026

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

OpenClaw before 2026.5.3 contains a privilege escalation vulnerability in the allowFrom feature that binds to mutable Slack display names. Attackers with Slack account access can change display name metadata to match policy entries, potentially gaining unauthorized agent access intended for other identities.

Key dates

02Disclosure timeline

June 12, 2026 CVE published
June 15, 2026 Record updated