CVE-2026-76609Network attack vector

Unauthenticated comment modification via missing access checks

Published Aug 22, 2026 · Updated Aug 22, 2026

Improper access control in Team Fabrik Fabrik before 4.7.2 allows remote attackers to modify any comment without authentication. The onUpdateComment endpoint processes comment-update requests without checking authentication or authorization for the targeted comment. Any network client that can reach an enabled Fabrik comment endpoint can alter stored comment content, affecting integrity only.

CVSS severity6.9
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

Improper access control in Team Fabrik Fabrik before 4.7.2 allows remote attackers to modify any comment without authentication. The onUpdateComment endpoint processes comment-update requests without checking authentication or authorization for the targeted comment. Any network client that can reach an enabled Fabrik comment endpoint can alter stored comment content, affecting integrity only.

The record

CVE
CVE-2026-76609
Published
Aug 22, 2026
Updated
Aug 22, 2026
Vendor
Team Fabrik
Product
Fabrik
Classifications
CWE-284, T1565.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 22, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 22, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=1.0.0-4.7.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Team Fabrik · Fabrikversion=1.0.0-4.7.1

Published CVSS scores

6.9Joomla! ProjectCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA: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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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