CVE-2026-53823CWE-290

OpenClaw < 2026.5.3 - Privilege Escalation via Mutable Slack Display Names in allowFrom

High · published June 12, 2026

CVSS v4.0
8.6
EPSS
0%
Percentile
29.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.6 · HIGH
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
EPSS
0.00367 · 29.4th percentile
Weakness
CWE-290 · Authentication Bypass by Spoofing
Published
2026-06-12T21:56Z
EPSS history
Timeline
  • 12 JUN 21:56Z
    OpenClaw < 2026.5.3 - Privilege Escalation via Mutable Slack Display Names in allowFrom
    cvelistv5