MediumVulnerabilityLLM-specific

CVE-2026-15628: A security flaw has been discovered in zhayujie chatgpt-on-wechat CowAgent up to 2.1.1. This issue affects the function…

Source: NVD(opens in a new tab)
Identifier: CVE-2026-15628
Published: July 14, 2026
Record updated: October 9, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.4%

Summary

CVE-2026-15628 is a server-side request forgery flaw in zhayujie chatgpt-on-wechat CowAgent up to 2.1.1. It sits in the Vision._download_to_data_url function of agent/tools/vision/vision.py, within the Vision Tool component, and is triggered by manipulating the image argument. The attack can be launched remotely, and a public exploit is available.

Mitigation

Upgrade to version 2.1.2, which addresses the issue. The patch is named e85290cddcbb5ffc9c235927f4c92e5b4c3ec264.

Details

Scores and exploitation

CVSS score: 6.3(medium)
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector: network
Attack complexity: low
Privileges required: low
User interaction: none
EPSS: 0.4%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on October 12, 2026.
Disclosure date: July 14, 2026

Weaknesses and techniques

Weakness (CWE): CWE-918
Attack pattern (CAPEC): CAPEC-664

Classification

Attack type: Other
Attack sophistication: Trivial
AI component targeted: Plugin
Impact: Confidentiality
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-15628

First tracked: July 14, 2026 at 02:07 AM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 90% (self-assessed)

Summary

Mitigation

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