CVE-2026-15628

MEDIUM 6.3

zhayujie chatgpt-on-wechat CowAgent Vision Tool vision.py Vision._download_to_data_url server-side request forgery

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

A security flaw has been discovered in zhayujie chatgpt-on-wechat CowAgent up to 2.1.1. This issue affects the function Vision._download_to_data_url of the file agent/tools/vision/vision.py of the component Vision Tool. Performing a manipulation of the argument image results in server-side request forgery. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.1.2 is capable of addressing this issue. The patch is named e85290cddcbb5ffc9c235927f4c92e5b4c3ec264. The affected component should be upgraded.

CWE	CWE-918
Vendor	zhayujie
Product	chatgpt-on-wechat cowagent
Published	Jul 14, 2026
Last Updated	Jul 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

zhayujie / chatgpt-on-wechat CowAgent

2.1.0 2.1.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/378130 vuldb.com: https://vuldb.com/vuln/378130/cti vuldb.com: https://vuldb.com/cve/CVE-2026-15628 vuldb.com: https://vuldb.com/submit/855849 github.com: https://github.com/zhayujie/CowAgent/issues/2878 github.com: https://github.com/zhayujie/CowAgent/pull/2886 github.com: https://github.com/zhayujie/CowAgent/commit/e85290cddcbb5ffc9c235927f4c92e5b4c3ec264 github.com: https://github.com/zhayujie/CowAgent/releases/tag/2.1.2

Credits

🔍 Eric-e (VulDB User)