What is CVE-2026-106991?

CVE-2026-106991 is a high-severity vulnerability in N/a. CVSS score: 7.1/10. Published 2026-11-03.

How severe is CVE-2026-106991?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2026-106991 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in N/a

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.

Published 2026-11-03 · last modified 2026-11-03.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Public proof-of-concept exploits

MX-Qulin/CVE-2026-106991

References

Frequently asked questions

What is CVE-2026-106991?: CVE-2026-106991 is a high-severity vulnerability in N/a. CVSS score: 7.1/10. Published 2026-11-03.
How severe is CVE-2026-106991?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2026-106991 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.