CVE-2026-84427CWE-404

CVE-2026-84427

Medium · published September 2, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
39.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00471 · 39.7th percentile
Weakness
CWE-404 · Improper Resource Shutdown or Release
Published
2026-09-02T05:17Z
References (5)
https://github.com/outlookgp/CVE/tree/main/CowAgent_Bash_Output_Buffer_DoS_Report · [email protected]https://vuldb.com/cve/CVE-2026-84427 · [email protected]https://vuldb.com/submit/884137 · [email protected]https://vuldb.com/vuln/397793 · [email protected]https://vuldb.com/vuln/397793/cti · [email protected]
EPSS history
Timeline
  • 04 SEP 03:44Z
    EPSS moved — → 0%
    epss
  • 03 SEP 20:57Z
    CVE-2026-84427 - MEDIUM Severity Vulnerability
    cvelistv5