CVE-2026-66425Network attack vector

Unauthenticated access via undisclosed alternate path

Published Aug 6, 2026 · Updated Aug 8, 2026

Broken authentication in Gutena Forms 1.9.0 and earlier allows remote attackers to bypass authentication through an alternate path. Neither the CNA record nor Patchstack's public advisory identifies the affected endpoint or the authentication check that accepts the alternate path. No account is required, but the exact actions available after bypass and their operational consequences remain undisclosed.

CVSS severity6.5
Medium
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Broken authentication in Gutena Forms 1.9.0 and earlier allows remote attackers to bypass authentication through an alternate path. Neither the CNA record nor Patchstack's public advisory identifies the affected endpoint or the authentication check that accepts the alternate path. No account is required, but the exact actions available after bypass and their operational consequences remain undisclosed.

The record

CVE
CVE-2026-66425
Published
Aug 6, 2026
Updated
Aug 8, 2026
Vendor
Fullworks Plugins
Product
Gutena Forms
Classifications
CWE-288, CAPEC-50, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 6, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 8, 2026Record 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 <=1.9.0 changes=[{"at":"2.0.0","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Fullworks Plugins · Gutena Formsversion=n/a <=1.9.0 changes=[{"at":"2.0.0","status":"unaffected"}]

Published CVSS scores

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

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-288Authentication Bypass Using an Alternate Path or Channel
CAPEC-50Password Recovery Exploitation
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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