CVE-2026-15628

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

MEDIUM
6.3
CVSS Score
Published: July 14, 2026 at 03:00 AM UTC
Updated: October 24, 2026 at 10:10 PM UTC
2 products affected across 1 vendorchatgpt-on-wechat_cowagentCowAgent

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 2.1.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (8)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/378130
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/378130/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-15628
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/855849
ExploitIssue Tracking
Source: cverecord
https://github.com/zhayujie/CowAgent/issues/2878
Issue TrackingPatch
Source: cverecord
https://github.com/zhayujie/CowAgent/pull/2886

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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