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Public proof of concept

CVE-2026-106991

Incorrect Access Control Allows Registered Users to Manipulate Forum Threads in hustoj 24.09.10–26.08.19

A public proof of concept exists; no exploitation attested.

  • Published2026-11-03

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

hustoj >=24.09.10 and <=26.08.19 is vulnerable to Incorrect Access Control. Any registered user can delete, lock, or sticky any forum thread (including admins' announcements) via threadadmin.php. The thread branch only verifies login, never authorship or admin rights.

Timeline

dates in UTC
  1. 2026-11-03CVE publishedCNA
  2. 2026-11-0315:17CVE publishedNVD
  3. 2026-11-0317:26First public proof of conceptPoC-in-GitHub

Versions per branch

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-106991 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-03 17:26 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Published
2026-11-03
Last Modified
2026-11-03
NVD status
Deferred
GitHub Advisory
GHSA-w3wm-r8gq-mq7w

Frequently asked questions

What is CVE-2026-106991?

hustoj >=24.09.10 and <=26.08.19 is vulnerable to Incorrect Access Control. Any registered user can delete, lock, or sticky any forum thread (including admins' announcements) via threadadmin.php. The thread branch only verifies login, never authorship or admin rights.

Is CVE-2026-106991 actively exploited?

Active exploitation of CVE-2026-106991 has not been confirmed. Its EPSS score was 0.4% on 2026-11-04, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-106991?

CVE-2026-106991 has a CVSS v3 base score of 7.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.

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