zhayujie CowAgent up to 2.1.7 Web Console web_channel.py session_id denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1$0-$5k1.86+

Summaryinfo

A vulnerability, which was classified as problematic, has been found in zhayujie CowAgent up to 2.1.7. The affected element is an unknown function of the file channel/web/web_channel.py of the component Web Console. This manipulation of the argument session_id causes denial of service. The identification of this vulnerability is CVE-2026-108681. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. Version 2.1.7 (commit dec28324) only partly mitigates via a 512MB body cap. The vendor was contacted early about this disclosure.

Detailsinfo

A vulnerability has been found in zhayujie CowAgent up to 2.1.7 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file channel/web/web_channel.py of the component Web Console. The manipulation of the argument session_id with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-108681. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1499 for this issue.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure. Version 2.1.7 (commit dec28324) only partly mitigates via a 512MB body cap.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/10/2026 Advisory disclosed
10/10/2026 +0 days VulDB entry created
10/10/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-108681 (🔒)
GCVE (CVE): GCVE-0-2026-108681
GCVE (VulDB): GCVE-100-416389
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/10/2026 23:27
Changes: 10/10/2026 23:27 (59)
Complete: 🔍
Submitter: hackerguopeng
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #957910: zhayujie CowAgent 2.1.6 Denial of Service (by hackerguopeng)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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