CVE-2026-34008 **Privilege Escalation** World-writable crontab path monitored and executed by root-owned process
Local attackers can escalate privileges by exploiting world-writable crontab paths executed by a root-owned process in QNAP Notes Station 3.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-34008?
CVE-2026-34008 is a high-severity vulnerability in QNAP Systems Inc. Notes Station 3, published on 15 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An incorrect permission assignment for critical resource vulnerability has been reported to affect Notes Station 3. If a local attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system.
We have already fixed the vulnerability in the following version: Notes Station 3 3.9.11 and later
Weakness: CWE-732
Which versions are affected by CVE-2026-34008?
How do I fix CVE-2026-34008?
No fix has been published for CVE-2026-34008 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-34008 being exploited?
There is no known exploitation of CVE-2026-34008 in the wild and no public exploit code.
Sources
Also known as GHSA-3874-pv93-cwr6.