CVE-2026-32906
Privilege Escalation in OpenClaw Slack Plugin Approvals
Publication date: 2026-05-29
Last updated on: 2026-05-29
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| openclaw | openclaw | to 2026.5.12 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-863 | The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-32906 is a privilege escalation vulnerability in OpenClaw versions before 2026.5.12, specifically affecting the Slack plugin approvals system.
The issue arises from incorrect authorization checks (CWE-863) that allow users with exec approval permissions to bypass intended approval splits.
This means that attackers who have limited exec approval rights can escalate their privileges by resolving plugin approvals through the exec approver gate, approving plugin actions beyond what the operator configuration permits.
How can this vulnerability impact me? :
This vulnerability can allow an attacker with limited exec approval permissions to approve plugin actions that they should not be authorized to approve.
The impact depends on the operator's configuration and whether lower-trust input can reach the affected Slack plugin approval path.
If exploited, it could lead to unauthorized plugin actions being approved, potentially compromising the intended security controls within the OpenClaw environment.
However, the overall trusted-operator model of OpenClaw remains intact unless other security boundaries are crossed.
- Operators should keep approval allowlists updated.
- Manually review Slack approval actions until the patch is applied.
- Maintain narrow channel and tool allowlists.
- Avoid sharing a single Gateway between untrusted users.
- Disable the affected feature when not needed.
What immediate steps should I take to mitigate this vulnerability?
To mitigate the CVE-2026-32906 vulnerability in OpenClaw Slack plugin approvals, operators should:
- Keep approval allowlists updated.
- Manually review Slack approval actions until the system is patched.
- Maintain narrow channel and tool allowlists.
- Avoid sharing a single Gateway between untrusted users.
- Disable the affected Slack plugin approval feature when it is not needed.
Additionally, upgrading to OpenClaw version 2026.5.12 or later will patch this vulnerability.