CVE-2026-41113 json
sagredo qmail before 2026.04.07 allows tls_quit remote code execution because of popen in notlshosts_auto in qmail-remote.c.
published 2026-04-16 6 mo ago modified 2026-10-26 14 d ago also EUVD-2026-23321
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
sagredo qmail before 2026.04.07 allows tls_quit remote code execution because of popen in notlshosts_auto in qmail-remote.c.
Patch / fix
- sagredo qmail 2026.04.07
- github.com/sagredo-dev/qmail@749f607 commit
- github.com/sagredo-dev/qmail#42 pull request
- github.com/sagredo-dev/qmail/releases/tag/v2026.04.07 release
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 6 mo ago
Exploit prediction
0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- sagredo qmail
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
- github.com /sagredo-dev/qmail/commit/749f607f6885e3d01b36f2647d7a1db88f1ef741
- github.com /sagredo-dev/qmail/pull/42
- blog.calif.io /p/we-asked-claude-to-audit-sagredos
- github.com /califio/publications/tree/main/MADBugs/qmail
- github.com /sagredo-dev/qmail/releases/tag/v2026.04.07
- openwall.com /lists/oss-security/2026/04/18/5
Sources
- CVE List CVE-2026-41113
- NVD CVE-2026-41113
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.