CVE-2026-53823

high

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.

References

Advisories

https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-mutable-slack-display-names-in-allowfrom

https://github.com/openclaw/openclaw/security/advisories/GHSA-c29c-2q9c-pc86

Details

Source: Mitre, NVD

Published: 2026-06-12

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 8.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 8.1

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Severity: High

CVSS v4

Base Score: 8.6

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

Severity: High

EPSS

EPSS: 0.00028