VulnerabilityDeferred
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.
HIGH 8.1EPSS 0.85%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.85%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
sagredo qmail before 2026.04.07 allows tls_quit remote code execution because of popen in notlshosts_auto in qmail-remote.c.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.85% probability · 56th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Source
- cve@mitre.org
References
- https://blog.calif.io/p/we-asked-claude-to-audit-sagredos
- https://github.com/califio/publications/tree/main/MADBugs/qmail
- https://github.com/sagredo-dev/qmail/commit/749f607f6885e3d01b36f2647d7a1db88f1ef741
- https://github.com/sagredo-dev/qmail/pull/42
- https://github.com/sagredo-dev/qmail/releases/tag/v2026.04.07
- http://www.openwall.com/lists/oss-security/2026/04/18/5
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.