CVE-2026-53823

Published Jun 12, 2026

Last updated 16 hours ago

CVSS high 8.6

Overview

Description
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.
Source
disclosure@vulncheck.com
NVD status
Received

Risk scores

CVSS 4.0

Type
Secondary
Base score
8.6
Impact score
-
Exploitability score
-
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity
HIGH

CVSS 3.1

Type
Primary
Base score
8.1
Impact score
5.2
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Severity
HIGH

Weaknesses

disclosure@vulncheck.com
CWE-290

Social media

Hype score
Not currently trending

  1. CVE-2026-53823 Privilege Escalation in OpenClaw Before 2026.5.3 via Mutable Slack Display Names https://t.co/FP7R9vtISb

    @VulmonFeeds

    13 Jun 2026

    33 Impressions

    0 Retweets

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References

Sources include official advisories and independent security research.