CVE-2026-41113

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-04-17. NVD baseline CVSS 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
8.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

sagredo qmail before 2026.04.07 allows tls_quit remote code execution because of popen in notlshosts_auto in qmail-remote.c.

CVSS v3
8.1
EG Score
8.1(medium)
EPSS
54.0%
KEV
Not listed

Published

April 16, 2026

Last Modified

May 19, 2026

Advisory Details (6)

Auto-updated May 19, 2026
No patch confirmed yet.
generic

oss-security - CVE-2026-41113: RCE in sagredo fork of qmail

http://www.openwall.com/lists/oss-security/2026/04/18/5
generic

Release v2026.04.07 · sagredo-dev/qmail · GitHub

https://github.com/sagredo-dev/qmail/releases/tag/v2026.04.07
generic

Remote Code Execution via Shell Injection in qmail-remote TLS Error Handler by sagredo-dev · Pull Request #42 · sagredo-dev/qmail · GitHub

https://github.com/sagredo-dev/qmail/pull/42
generic

[security] Remote Code Execution via Shell Injection in qmail-remote … · sagredo-dev/qmail@749f607 · GitHub

https://github.com/sagredo-dev/qmail/commit/749f607f6885e3d01b36f2647d7a1db88f1ef741
generic

publications/MADBugs/qmail at main · califio/publications · GitHub

https://github.com/califio/publications/tree/main/MADBugs/qmail
generic

We Asked Claude to Audit Sagredo's qmail. It found a RCE.

https://blog.calif.io/p/we-asked-claude-to-audit-sagredos

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 37× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 112 total refreshes for this CVE.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 02:00 UTCEPSS rescore
  4. 2026-07-13 22:30 UTCEPSS rescore
  5. 2026-07-13 06:13 UTCEPSS rescore
  6. 2026-07-13 06:13 UTCEPSS rescore
  7. 2026-07-12 05:46 UTCEPSS rescore
  8. 2026-07-11 08:27 UTCEPSS rescore
  9. 2026-07-09 19:10 UTCEPSS rescore
  10. 2026-07-08 15:15 UTCEPSS rescore
  11. 2026-07-07 13:46 UTCEPSS rescore
  12. 2026-07-06 16:27 UTCEPSS rescore
  13. 2026-07-06 16:27 UTCEPSS rescore
  14. 2026-07-06 02:23 UTCEPSS rescore
  15. 2026-07-06 02:23 UTCEPSS rescore
  16. 2026-07-05 02:30 UTCEPSS rescore
  17. 2026-07-04 06:31 UTCEPSS rescore
  18. 2026-07-01 15:06 UTCEPSS rescore
  19. 2026-06-30 23:22 UTCEPSS rescore
  20. 2026-06-29 14:06 UTCEPSS rescore
  21. 2026-06-28 14:07 UTCEPSS rescore
  22. 2026-06-28 04:56 UTCEPSS rescore
  23. 2026-06-27 03:08 UTCEPSS rescore
  24. 2026-06-25 13:49 UTCEPSS rescore
  25. 2026-06-25 13:49 UTCEPSS rescore
Show 75 more
  1. 2026-06-24 14:05 UTCEPSS rescore
  2. 2026-06-23 21:33 UTCEPSS rescore
  3. 2026-06-22 14:25 UTCEPSS rescore
  4. 2026-06-22 14:25 UTCEPSS rescore
  5. 2026-06-21 14:56 UTCEPSS rescore
  6. 2026-06-21 14:56 UTCEPSS rescore
  7. 2026-06-21 01:59 UTCEPSS rescore
  8. 2026-06-19 19:25 UTCEPSS rescore
  9. 2026-06-18 17:52 UTCEPSS rescore
  10. 2026-06-18 17:52 UTCEPSS rescore
  11. 2026-06-17 17:53 UTCEPSS rescore
  12. 2026-06-16 17:52 UTCEPSS rescore
  13. 2026-06-15 17:49 UTCEPSS rescore
  14. 2026-06-14 19:32 UTCEG score recompute
  15. 2026-06-14 19:32 UTCGHSA enrichment
  16. 2026-06-13 23:00 UTCEPSS rescore
  17. 2026-06-12 23:12 UTCEPSS rescore
  18. 2026-06-12 23:12 UTCEPSS rescore
  19. 2026-06-12 06:43 UTCEG score recompute
  20. 2026-06-12 06:43 UTCGHSA enrichment
  21. 2026-06-11 18:52 UTCEG score recompute
  22. 2026-06-11 18:52 UTCGHSA enrichment
  23. 2026-06-11 14:00 UTCEPSS rescore
  24. 2026-06-10 22:18 UTCEPSS rescore
  25. 2026-06-10 13:22 UTCEPSS rescore
  26. 2026-06-10 13:22 UTCEPSS rescore
  27. 2026-06-10 12:10 UTCEG score recompute
  28. 2026-06-10 12:10 UTCGHSA enrichment
  29. 2026-06-10 00:18 UTCEG score recompute
  30. 2026-06-10 00:18 UTCGHSA enrichment
  31. 2026-06-09 10:01 UTCEG score recompute
  32. 2026-06-09 10:01 UTCGHSA enrichment
  33. 2026-06-08 14:17 UTCEPSS rescore
  34. 2026-06-08 14:17 UTCEPSS rescore
  35. 2026-06-08 04:41 UTCEG score recompute
  36. 2026-06-08 04:41 UTCGHSA enrichment
  37. 2026-06-07 16:51 UTCEG score recompute
  38. 2026-06-07 16:51 UTCGHSA enrichment
  39. 2026-06-07 15:25 UTCEPSS rescore
  40. 2026-06-07 15:25 UTCEPSS rescore
  41. 2026-06-07 05:01 UTCEG score recompute
  42. 2026-06-07 05:01 UTCGHSA enrichment
  43. 2026-06-06 13:47 UTCEPSS rescore
  44. 2026-06-06 13:47 UTCEPSS rescore
  45. 2026-06-06 07:08 UTCEG score recompute
  46. 2026-06-06 07:08 UTCGHSA enrichment
  47. 2026-06-05 22:47 UTCEPSS rescore
  48. 2026-06-05 12:08 UTCEG score recompute
  49. 2026-06-05 12:08 UTCGHSA enrichment
  50. 2026-06-05 06:10 UTCEPSS rescore
  51. 2026-06-05 06:10 UTCEPSS rescore
  52. 2026-06-04 20:53 UTCEG score recompute
  53. 2026-06-04 20:53 UTCGHSA enrichment
  54. 2026-06-04 13:12 UTCEPSS rescore
  55. 2026-06-04 13:12 UTCEPSS rescore
  56. 2026-06-03 18:01 UTCEG score recompute
  57. 2026-06-03 18:01 UTCGHSA enrichment
  58. 2026-06-02 20:13 UTCEPSS rescore
  59. 2026-06-02 14:01 UTCEG score recompute
  60. 2026-06-02 14:01 UTCGHSA enrichment
  61. 2026-06-01 17:54 UTCEG score recompute
  62. 2026-06-01 17:54 UTCGHSA enrichment
  63. 2026-06-01 13:52 UTCEPSS rescore
  64. 2026-06-01 13:52 UTCEPSS rescore
  65. 2026-06-01 13:51 UTCEPSS rescore
  66. 2026-05-31 22:30 UTCEPSS rescore
  67. 2026-05-31 22:30 UTCEPSS rescore
  68. 2026-05-31 00:16 UTCEPSS rescore
  69. 2026-05-31 00:16 UTCEPSS rescore
  70. 2026-05-31 00:16 UTCEPSS rescore
  71. 2026-05-29 13:44 UTCEPSS rescore
  72. 2026-05-29 13:44 UTCEPSS rescore
  73. 2026-05-28 13:44 UTCEPSS rescore
  74. 2026-05-28 13:44 UTCEPSS rescore
  75. 2026-05-28 13:44 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-41113?
CVE-2026-41113 is a high vulnerability published on April 16, 2026. sagredo qmail before 2026.04.07 allows tlsquit remote code execution because of popen in notlshostsauto in qmail-remote.c.
When was CVE-2026-41113 disclosed?
CVE-2026-41113 was first published in the National Vulnerability Database on April 16, 2026, with the most recent update on May 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-41113 actively exploited?
CVE-2026-41113 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 54.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-41113?
CVE-2026-41113 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-41113?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-41113, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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