RCE in Sagredo Qmail
CVE-2026-41113
sagredo qmail before 2026.04.07 allows tls_quit remote code execution because of popen in notlshosts_auto in qmail-remote.c.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (61.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.002
Affected products
- Sagredo Qmail — versions 2024.10.26
Weakness classification (CWE)
References
- blog.calif.io/p/we-asked-claude-to-audit-sagredos
- github.com/califio/publications/tree/main/MADBugs/qmail
- github.com/sagredo-dev/qmail/commit/749f607f6885e3d01b36f2647d7a1db88f1ef741
- github.com/sagredo-dev/qmail/releases/tag/v2026.04.07
- github.com/sagredo-dev/qmail/pull/42
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2026-41113?
- CVE-2026-41113 is a high-severity vulnerability in Sagredo Qmail, classified under OS Command Injection. CVSS score: 8.1/10. Published 2026-04-16.
- How severe is CVE-2026-41113?
- High severity. CVSS v3 base score is 8.1 out of 10.