What’s Vulnerable › Vulnerabilities

CVE-2026-5998: zhayujie chatgpt-on-wechat CowAgent API Memory Content Endpoint service.py dispatch path traversal

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-10 · updated 2026-10-26
• Weakness: CWE-22

Description

A flaw has been found in zhayujie chatgpt-on-wechat CowAgent up to 2.0.4. This affects the function dispatch of the file agent/memory/service.py of the component API Memory Content Endpoint. This manipulation of the argument filename causes path traversal. The attack can be initiated remotely. The exploit has been published and may be used. Upgrading to version 2.0.5 mitigates this issue. Patch name: 174ee0cafc9e8e9d97a23c305418251485b8aa89. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Affected products

• zhayujie chatgpt-on-wechat CowAgent: 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4

References

• https://github.com/zhayujie/chatgpt-on-wechat/commit/174ee0cafc9e8e9d97a23c305418251485b8aa89
• https://github.com/zhayujie/chatgpt-on-wechat/issues/2734
• https://github.com/zhayujie/chatgpt-on-wechat/issues/2734#issue-4178013778
• https://github.com/zhayujie/chatgpt-on-wechat/releases/tag/2.0.5
• https://vuldb.com/submit/793558
• https://vuldb.com/vuln/356552
• https://vuldb.com/vuln/356552/cti

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