CVE-2026-6635
rowboatlabs rowboat tools_webhook app.py tool_call improper authentication
- State
- Published
- Severity
- 6.9 Medium
- Published
- Apr 20, 2026
- Updated
- Apr 20, 2026
- Reserved
- Apr 19, 2026
Description
A security vulnerability has been detected in rowboatlabs rowboat up to 0.1.67. This impacts the function tool_call of the file apps/experimental/tools_webhook/app.py of the component tools_webhook. Such manipulation of the argument X-Tools-JWE leads to improper authentication. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 7.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 7.3 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-287 Improper Authentication
Affected Products
| Product | Versions |
|---|---|
rowboatrowboatlabs |
|
References
- VDB-358269 | rowboatlabs rowboat tools_webhook app.py tool_call improper authenticationvdb-entrytechnical-description
- VDB-358269 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #793433 | Rowboat Labs Rowboat 0.1.67 Authentication Bypass Issuesthird-party-advisory
- https://github.com/Dave-gilmore-aus/security-advisories/blob/main/rowbat-advisoryexploit
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