CVE-2026-34512
Improper Access Control in OpenClaw Allows Admin Session Hijacking
Publication date: 2026-04-09
Last updated on: 2026-04-15
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| openclaw | openclaw | to 2026.3.25 (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?
This vulnerability exists in OpenClaw versions before 2026.3.25 and involves improper access control in the HTTP /sessions/:sessionKey/kill route.
Any user authenticated with a bearer token can invoke admin-level session termination functions without proper scope validation.
Attackers can exploit this by sending authenticated requests to kill arbitrary subagent sessions using the killSubagentRunAdmin function, bypassing ownership and operator scope restrictions.
How can this vulnerability impact me? :
This vulnerability allows an attacker with bearer authentication to terminate arbitrary subagent sessions at an admin level without proper authorization.
Such unauthorized session termination can disrupt normal operations, potentially causing denial of service or loss of control over session management.