# CVE-2026-14714: zhayujie CowAgent authentication bypass in WeChat MP endpoint

Source: https://junglewise.ai/threats/cve-2026-14714-zhayujie-cowagent-authentication-bypass-in-wechat-mp-endpoint  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-05. Updated: 2026-07-05  
License: CC BY 4.0 with a link back

CVE-2026-14714 · Severity: medium · CVSS 6.5 · Published 2026-07-05

zhayujie chatgpt-on-wechat CowAgent is an AI agent framework that integrates ChatGPT with the WeChat messaging platform. A security flaw in the WeChat Official Account endpoint allows remote attackers to bypass authentication if the system is not configured with a specific security token. This could allow unauthorized parties to interact with the webhook endpoint, potentially disrupting service or sending unauthorized commands.

Technologies: [Zhayujie Chatgpt-On-Wechat](https://junglewise.ai/threats/technologies/chatgpt-on-wechat). Vendors: [Zhayujie](https://junglewise.ai/threats/vendors/zhayujie).

## Quick answers

**Is CVE-2026-14714 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-14714 being exploited in the wild.

**How severe is CVE-2026-14714?** Medium severity, with a CVSS score of 6.5, published 5 July 2026.

**Which products and versions are affected?** Zhayujie Chatgpt-On-Wechat 2.1.0.

**Is there a fix for CVE-2026-14714?** A patch was published on 2026-06-09: Version 2.1.1 released with fix Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-14714 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-14714?** Check whether you run Zhayujie Chatgpt-On-Wechat at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An authentication bypass vulnerability exists in the `verify_server` function within `channel/wechatmp/common.py` of CowAgent 2.1.0. The root cause is a failure to check if the `wechatmp_token` is empty or unconfigured; when missing, the signature verification process degenerates into a predictable hash based on attacker-controlled parameters (timestamp, nonce, etc.). A remote, unauthenticated attacker can exploit this to successfully pass the server verification check on the `/wx` endpoint. The issue is resolved in version 2.1.1 by implementing an explicit non-empty check that returns a 403 Forbidden error if the token is missing.

## Affected products

- zhayujie chatgpt-on-wechat CowAgent 2.1.0

## Timeline

- 2026-06-09: patched: Version 2.1.1 released with fix
- 2026-07-05: disclosed: CVE-2026-14714 published

## References

- [https://github.com/zhayujie/CowAgent/commit/3d7c68bac6ee74fad63f43cf99e45c62e202ed55](https://github.com/zhayujie/CowAgent/commit/3d7c68bac6ee74fad63f43cf99e45c62e202ed55)
- [https://github.com/zhayujie/CowAgent/issues/2860](https://github.com/zhayujie/CowAgent/issues/2860)
- [https://github.com/zhayujie/CowAgent/releases/tag/2.1.1](https://github.com/zhayujie/CowAgent/releases/tag/2.1.1)
- [https://vuldb.com/cve/CVE-2026-14714](https://vuldb.com/cve/CVE-2026-14714)
- [https://vuldb.com/submit/847484](https://vuldb.com/submit/847484)
- [https://vuldb.com/vuln/376304](https://vuldb.com/vuln/376304)
- [https://vuldb.com/vuln/376304/cti](https://vuldb.com/vuln/376304/cti)

## Related threats

- [zhayujie CowAgent SSRF in Vision Tool](https://junglewise.ai/threats/cve-2026-15628-zhayujie-cowagent-ssrf-in-vision-tool)
- [zhayujie chatgpt-on-wechat OS command injection in Bash Tool](https://junglewise.ai/threats/cve-2026-10214-zhayujie-chatgpt-on-wechat-os-command-injection-in-bash-tool)