CVE-2025-66065Network attack vector

Unauthorized actions via missing capability check

Published Nov 21, 2025 · Updated Nov 21, 2025

Missing authorization in Jegstudio Gutenverse 3.2.1 and earlier allows remote authenticated users to perform an unauthorized action. An unnamed function omits the capability check needed to restrict that action, but the published record does not identify the function or action. Contributor-level access or higher is required, and no concrete data or system effect has been publicly disclosed.

CVSS severity6.5
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Jegstudio Gutenverse 3.2.1 and earlier allows remote authenticated users to perform an unauthorized action. An unnamed function omits the capability check needed to restrict that action, but the published record does not identify the function or action. Contributor-level access or higher is required, and no concrete data or system effect has been publicly disclosed.

The record

CVE
CVE-2025-66065
Published
Nov 21, 2025
Updated
Nov 21, 2025
Vendor
Jegstudio
Product
Gutenverse
Classifications
CWE-862, CAPEC-180, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 21, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=<= 3.2.1 changes=[{"at":"3.3.0","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Jegstudio · Gutenverseversion=n/a <=<= 3.2.1 changes=[{"at":"3.3.0","status":"unaffected"}]

Published CVSS scores

6.5PatchstackCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
CAPEC-180Exploiting Incorrectly Configured Access Control Security Levels
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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