CVE-2026-41113

HIGHNVD 8.18.1—Trending — 3 sources updated this weekElevated

8.1

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: 27.8%
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.

CWE-78OS Command Injection

Data Freshness Timeline

(refreshed 25× in last 7d / 72× 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.

2026-06-13 23:00 UTCEPSS rescore
2026-06-12 23:12 UTCEPSS rescore
2026-06-12 23:12 UTCEPSS rescore
2026-06-12 06:43 UTCEG score recompute
2026-06-12 06:43 UTCGHSA enrichment
2026-06-11 18:52 UTCEG score recompute
2026-06-11 18:52 UTCGHSA enrichment
2026-06-11 14:00 UTCEPSS rescore
2026-06-10 22:18 UTCEPSS rescore
2026-06-10 13:22 UTCEPSS rescore
2026-06-10 13:22 UTCEPSS rescore
2026-06-10 12:10 UTCEG score recompute
2026-06-10 12:10 UTCGHSA enrichment
2026-06-10 00:18 UTCEG score recompute
2026-06-10 00:18 UTCGHSA enrichment
2026-06-09 10:01 UTCEG score recompute
2026-06-09 10:01 UTCGHSA enrichment
2026-06-08 14:17 UTCEPSS rescore
2026-06-08 14:17 UTCEPSS rescore
2026-06-08 04:41 UTCEG score recompute
2026-06-08 04:41 UTCGHSA enrichment
2026-06-07 16:51 UTCEG score recompute
2026-06-07 16:51 UTCGHSA enrichment
2026-06-07 15:25 UTCEPSS rescore
2026-06-07 15:25 UTCEPSS rescore

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2026-06-07 05:01 UTCEG score recompute
2026-06-07 05:01 UTCGHSA enrichment
2026-06-06 13:47 UTCEPSS rescore
2026-06-06 13:47 UTCEPSS rescore
2026-06-06 07:08 UTCEG score recompute
2026-06-06 07:08 UTCGHSA enrichment
2026-06-05 22:47 UTCEPSS rescore
2026-06-05 12:08 UTCEG score recompute
2026-06-05 12:08 UTCGHSA enrichment
2026-06-05 06:10 UTCEPSS rescore
2026-06-05 06:10 UTCEPSS rescore
2026-06-04 20:53 UTCEG score recompute
2026-06-04 20:53 UTCGHSA enrichment
2026-06-04 13:12 UTCEPSS rescore
2026-06-04 13:12 UTCEPSS rescore
2026-06-03 18:01 UTCEG score recompute
2026-06-03 18:01 UTCGHSA enrichment
2026-06-02 20:13 UTCEPSS rescore
2026-06-02 14:01 UTCEG score recompute
2026-06-02 14:01 UTCGHSA enrichment
2026-06-01 17:54 UTCEG score recompute
2026-06-01 17:54 UTCGHSA enrichment
2026-06-01 13:52 UTCEPSS rescore
2026-06-01 13:52 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore
2026-05-29 13:44 UTCEPSS rescore
2026-05-29 13:44 UTCEPSS rescore
2026-05-28 13:44 UTCEPSS rescore
2026-05-28 13:44 UTCEPSS rescore
2026-05-28 13:44 UTCEPSS rescore
2026-05-27 13:40 UTCEPSS rescore
2026-05-27 13:40 UTCEPSS rescore
2026-05-27 13:40 UTCEPSS rescore
2026-05-26 13:44 UTCEPSS rescore
2026-05-26 07:18 UTCEPSS rescore
2026-05-26 07:18 UTCEPSS rescore
2026-05-20 22:38 UTCEPSS rescore
2026-05-20 22:38 UTCEPSS rescore
2026-05-20 16:58 UTCEG score recompute
2026-05-20 16:58 UTCGHSA enrichment
2026-05-20 11:22 UTCEPSS rescore
2026-05-20 11:22 UTCEPSS rescore

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 27.8% 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.

Dependency Blast Radius

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Is Your Infrastructure Affected by CVE-2026-41113?

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CVE-2026-41113

📅 Published

🔄 Last Modified

📋 Advisory Details (6)

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

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

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

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

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

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

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-41113?

🔗 Related CVEs(same CWE)

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Published

Last Modified

Advisory Details (6)

Frequently asked(5)

Related CVEs(same CWE)