CVE-2026-41113 Command injection in qmail
Remote attackers can execute arbitrary code on sagredo qmail servers via the tls_quit command due to unsafe popen usage.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-41113?
CVE-2026-41113 is a high-severity command injection vulnerability in sagredo qmail, published on 16 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
sagredo qmail before 2026.04.07 allows tls_quit remote code execution because of popen in notlshosts_auto in qmail-remote.c.
Weakness: CWE-78
Which versions are affected by CVE-2026-41113?
How do I fix CVE-2026-41113?
No fix has been published for CVE-2026-41113 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-41113 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-41113 exists.
Sources
Also known as GHSA-j23v-33r7-63rx.