CVE-2026-84427
zhayujie CowAgent Bash Tool bash.py denial of service
- State
- Published
- Severity
- 5.3 Medium
- Published
- Sep 2, 2026
- Updated
- Sep 4, 2026
- Reserved
- Sep 1, 2026
Description
A vulnerability was determined in zhayujie CowAgent up to 2.1.7. Affected is an unknown function of the file agent/tools/bash/bash.py of the component Bash Tool. Executing a manipulation can lead to denial of service. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.0 Medium | AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-404 Denial of Service
Affected Products
| Product | Versions |
|---|---|
CowAgentzhayujie |
|
References
- VDB-397793 | zhayujie CowAgent Bash Tool bash.py denial of servicevdb-entry
- VDB-397793 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-84427 | CVE Analysis and Reportthird-party-advisory
- Submit #884137 | zhayujie CowAgent 2.1.3 Denial of Servicethird-party-advisory
- https://github.com/outlookgp/CVE/tree/main/CowAgent_Bash_Output_Buffer_DoS_Reportexploit
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.