GHSA-7hxm-f538-3xp6: OpenClaw: Matrix allowFrom could bind to mutable display names
OpenClaw's Matrix allowFrom feature could bind to mutable display names, allowing a Matrix account that can change display name metadata to match a policy entry through mutable display metadata. This may enable receiving agent access intended for another Matrix identity if the feature is enabled and reachable. The vulnerability does not affect OpenClaw's trusted-operator model and requires specific configuration to be exploitable. The issue is patched in version 2026.5.7. Until patched, using stable Matrix user IDs in allowlists and narrowing channel and tool allowlists are recommended mitigations.
AI Analysis
Technical Summary
The vulnerability in OpenClaw's Matrix allowFrom feature allows policy entries to match mutable display names rather than stable identifiers. This means a Matrix account that can change its display name metadata could potentially gain access intended for another identity by exploiting the mutable nature of display names. The impact depends on operator configuration and whether untrusted input can reach the affected feature. The vulnerability does not alter the trusted-operator model of OpenClaw. The issue is fixed starting from version 2026.5.7.
Potential Impact
If the affected feature is enabled and accessible, an attacker controlling a Matrix account with mutable display names could receive agent access intended for a different Matrix identity. The practical impact depends on the operator's configuration and whether lower-trust input can reach the vulnerable path. This could lead to unauthorized access or privilege escalation within the OpenClaw environment.
Mitigation Recommendations
A fix is available in OpenClaw version 2026.5.7. Until upgrading, operators should use stable Matrix user IDs in allowlists instead of display names. Additionally, operators should keep channel and tool allowlists narrow, avoid sharing one Gateway between mutually untrusted users, and disable the affected feature when it is not needed.
GHSA-7hxm-f538-3xp6: OpenClaw: Matrix allowFrom could bind to mutable display names
Description
OpenClaw's Matrix allowFrom feature could bind to mutable display names, allowing a Matrix account that can change display name metadata to match a policy entry through mutable display metadata. This may enable receiving agent access intended for another Matrix identity if the feature is enabled and reachable. The vulnerability does not affect OpenClaw's trusted-operator model and requires specific configuration to be exploitable. The issue is patched in version 2026.5.7. Until patched, using stable Matrix user IDs in allowlists and narrowing channel and tool allowlists are recommended mitigations.
CVSS v4.0
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in OpenClaw's Matrix allowFrom feature allows policy entries to match mutable display names rather than stable identifiers. This means a Matrix account that can change its display name metadata could potentially gain access intended for another identity by exploiting the mutable nature of display names. The impact depends on operator configuration and whether untrusted input can reach the affected feature. The vulnerability does not alter the trusted-operator model of OpenClaw. The issue is fixed starting from version 2026.5.7.
Potential Impact
If the affected feature is enabled and accessible, an attacker controlling a Matrix account with mutable display names could receive agent access intended for a different Matrix identity. The practical impact depends on the operator's configuration and whether lower-trust input can reach the vulnerable path. This could lead to unauthorized access or privilege escalation within the OpenClaw environment.
Mitigation Recommendations
A fix is available in OpenClaw version 2026.5.7. Until upgrading, operators should use stable Matrix user IDs in allowlists instead of display names. Additionally, operators should keep channel and tool allowlists narrow, avoid sharing one Gateway between mutually untrusted users, and disable the affected feature when it is not needed.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-7hxm-f538-3xp6
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-53811"]
- Ecosystems
- ["npm"]
- Database Specific Severity
- HIGH
- Cvss Version
- 4.0
Threat ID: 6a46ecc627e9c7971943d965
Added to database: 07/02/2026, 22:57:10 UTC
Last enriched: 07/02/2026, 23:18:53 UTC
Last updated: 07/03/2026, 04:15:43 UTC
Views: 5
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