CVE-2026-41298
OpenClaw < 2026.4.2 - Authorization Bypass in Session Termination Endpoint
Description
OpenClaw before 2026.4.2 fails to enforce write scopes on the POST /sessions/:sessionKey/kill endpoint in identity-bearing HTTP modes. Read-scoped callers can terminate running subagent sessions by sending requests to this endpoint, bypassing authorization controls.
INFO
Published Date :
April 21, 2026, 12:16 a.m.
Last Modified :
April 27, 2026, 4:56 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update OpenClaw to version 2026.4.2 or later.
- Verify endpoint authorization controls are enforced.
Public PoC/Exploit Available at Github
CVE-2026-41298 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-41298.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-41298 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-41298
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Tracking OpenClaw CVEs
Python Jinja
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-41298 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-41298 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 27, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* versions up to (excluding) 2026.4.2 Added Reference Type VulnCheck: https://github.com/openclaw/openclaw/commit/54a0878517167c6e49900498cf77420dadb74beb Types: Patch Added Reference Type VulnCheck: https://github.com/openclaw/openclaw/security/advisories/GHSA-5hff-46vh-rxmw Types: Vendor Advisory Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/openclaw-authorization-bypass-in-session-termination-endpoint Types: Third Party Advisory -
New CVE Received by [email protected]
Apr. 21, 2026
Action Type Old Value New Value Added Description OpenClaw before 2026.4.2 fails to enforce write scopes on the POST /sessions/:sessionKey/kill endpoint in identity-bearing HTTP modes. Read-scoped callers can terminate running subagent sessions by sending requests to this endpoint, bypassing authorization controls. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Added CWE CWE-862 Added Reference https://github.com/openclaw/openclaw/commit/54a0878517167c6e49900498cf77420dadb74beb Added Reference https://github.com/openclaw/openclaw/security/advisories/GHSA-5hff-46vh-rxmw Added Reference https://www.vulncheck.com/advisories/openclaw-authorization-bypass-in-session-termination-endpoint