CVE-2026-53823 — HIGH (8.1)

Q: How severe is CVE-2026-53823?

CVE-2026-53823 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-53823?

Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.

Vulnerability 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.

CVSS Score

8.1

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Openclaw	Openclaw	< 2026.5.3

Related Weaknesses (CWE)

CWE-290

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-c29c-2q9c-pc86MitigationVendor Advisory
https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-mutable-sThird Party Advisory

FAQ

What is CVE-2026-53823?

CVE-2026-53823 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 m...

How severe is CVE-2026-53823?

CVE-2026-53823 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-53823?

Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.