OS command injection in sagredo qmail
Priority HIGH 70CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
sagredo qmail before 2026.04.07 allows tls_quit remote code execution because of popen in notlshosts_auto in qmail-remote.c.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00851 58th percentileScored 2026-11-07
Fix Fixed qmail (sagredo): 2026.04.07
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA qmail (sagredo) Fixed in 2026.04.07
Timeline
- 2026-10-02 Threatist record created from CVE-2026-41113
- 2026-10-03 Alias added: GHSA-j23v-33r7-63rx
References
Other 5
- 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/releases/tag/v2026.04.07
- https://github.com/sagredo-dev/qmail/pull/42
Sources
- CVE-2026-41113 · CVE Program
- CVE-2026-41113 · NVD
- FIRST EPSS
- GHSA-j23v-33r7-63rx · GitHub Advisory Database · CC BY 4.0
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