PT-2026-31854 · Unknown · Zahayujie Chatgpt-On-Wechat Cowagent

Yu_Bao · CVE-2026-5998 · Published 2026-04-10 · Updated 2026-04-11

Positive Technologies (AI Summary)

CVSS v4.0

5.5

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

Name of the Vulnerable Software and Affected Versions zahayujie chatgpt-on-wechat CowAgent versions up to 2.0.4

Description A flaw exists in the function dispatch of the file agent/memory/service.py within the API Memory Content Endpoint component. Manipulation of the filename argument can lead to path traversal, allowing for remote exploitation. The exploit has been published.

Recommendations Upgrade to version 2.0.5 to resolve the issue.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2026-5998

Affected Products

Zahayujie Chatgpt-On-Wechat Cowagent

References · 13

• 🔥 https://github.com/zhayujie/chatgpt-on-wechat/issues/2734#issue-4178013778 · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5998.json · Exploit
• https://github.com/zhayujie/chatgpt-on-wechat/releases/tag/2.0.5 · Patch
• https://github.com/zhayujie/chatgpt-on-wechat/commit/174ee0cafc9e8e9d97a23c305418251485b8aa89 · Patch
• https://osv.dev/vulnerability/CVE-2026-5998 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-5998 · Security Note
• https://github.com/zhayujie/chatgpt-on-wechat/issues/2734 · Note
• https://vuldb.com/vuln/356552 · Note
• https://twitter.com/VulmonFeeds/status/2042541284452090210 · Twitter Post
• https://vuldb.com/submit/793558 · Note
• https://vuldb.com/vuln/356552/cti · Note
• https://twitter.com/CVEnew/status/2042561792900239752 · Twitter Post
• https://twitter.com/CVEarity/status/2042890140306280549 · Twitter Post