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CVE-2026-108683

zhayujie CowAgent Media Download memory allocation

MEDIUM
4.3
CVSS Score
Published: October 11, 2026 at 02:30 PM UTC
Updated: October 13, 2026 at 02:17 PM UTC
1 product affected across 1 vendorCowAgent

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

A security vulnerability has been detected in zhayujie CowAgent up to 2.1.9. The impacted element is an unknown function of the component Media Download Handler. Such manipulation leads to uncontrolled memory allocation. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.2.0 is sufficient to resolve this issue. The name of the patch is b7967210268fc4c0afea1078223e74e7e96a8a54. You should upgrade the affected component.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

CowAgent· Zhayujie
90%
2.1.02.1.12.1.22.1.32.1.42.1.52.1.62.1.72.1.82.1.9
Vendor states this is fixed in 2.2.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (8)

VDB Entry
Source: cverecord
https://vuldb.com/vuln/416391
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/416391/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-108683
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/958015
Exploit
Source: cverecord
https://github.com/lche511/cve/tree/main/CowAgent_Channel_Media_Download_DoS_Report
Patch
Source: cverecord
https://github.com/zhayujie/CowAgent/commit/b7967210268fc4c0afea1078223e74e7e96a8a54
Patch
Source: cverecord
https://github.com/zhayujie/CowAgent/releases/tag/2.2.0
Product
Source: cverecord
https://github.com/zhayujie/CowAgent/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-789CWE-400

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