CVE-2026-20991
QNAP QTS Privilege Escalation Vulnerability
Description
Improper privilege management in ThemeManager prior to SMR Mar-2026 Release 1 allows local privileged attackers to reuse trial contents.
INFO
Published Date :
March 16, 2026, 4:31 a.m.
Last Modified :
March 16, 2026, 4:31 a.m.
Remotely Exploit :
No
Source :
SamsungMobile
Affected Products
The following products are affected by CVE-2026-20991
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | 3af57064-a867-422c-b2ad-40307b65c458 |
Solution
- Update ThemeManager to SMR Mar-2026 Release 1.
- Apply vendor-provided patches for ThemeManager.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-20991 vulnerability anywhere in the article.