CVE-2026-108683

Status: DeferredLow (2.1)—

Severity2.1Low · CVSS 4.0

Exploitation probability0.31 %higher than 22% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitNot knownno public code found

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.

CVSS

Base score: 2.1
Version: 4.0
Vector: 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/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

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.31 %
Percentile among all scored CVEs: 22
Score date: 10/20/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1210 Exploitation of Remote Serviceslateral movement75 %
Primary impactT1499.004 Application or System Exploitationimpact70 %

Vector CVSS: AV:N, PR:L indica acceso remoto con privilegios; CWE-400/789 sugieren agotamiento de recursos (memoria). Patrón típico de DoS por asignación descontrolada.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Vulnerability Scanning Threat Intelligence Program Privileged Account Management Network Segmentation Filter Network Traffic Disable or Remove Feature or Program

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Zhayujie — Cowagent^AI

CWEs

CWE-400, CWE-789

References

Show 8 references

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-108683",
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      "affectedData": [
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          "cpes": [
            "cpe:2.3:a:zhayujie:cowagent:*:*:*:*:*:*:*:*"
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          "vendor": "zhayujie",
          "modules": [
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          "product": "CowAgent",
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  "published": "2026-10-11T15:16:52.780",
  "references": [
    {
      "url": "https://github.com/lche511/cve/tree/main/CowAgent_Channel_Media_Download_DoS_Report",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/zhayujie/CowAgent/",
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      "url": "https://github.com/zhayujie/CowAgent/commit/b7967210268fc4c0afea1078223e74e7e96a8a54",
      "source": "cna@vuldb.com"
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      "url": "https://github.com/zhayujie/CowAgent/releases/tag/2.2.0",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/cve/CVE-2026-108683",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/958015",
      "source": "cna@vuldb.com"
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      "url": "https://vuldb.com/vuln/416391",
      "source": "cna@vuldb.com"
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      "value": "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."
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}