Description
An issue in Hugo Leisink Hiawatha v.12.1 and before allows a remote attacker to execute arbitrary code via a crafted request
Published: 2026-07-31
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 03 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-94
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Sun, 02 Aug 2026 05:15:00 +0000

Type Values Removed Values Added
Title Remote Code Execution via HTTP Smuggling in Hiawatha v12.1 and Earlier
Weaknesses CWE-77

Fri, 31 Jul 2026 20:45:00 +0000

Type Values Removed Values Added
Description An issue in Hugo Leisink Hiawatha v.12.1 and before allows a remote attacker to execute arbitrary code via a crafted request
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-08-03T17:07:17.616Z

Reserved: 2026-06-08T00:00:00.000Z

Link: CVE-2026-51785

cve-icon Vulnrichment

Updated: 2026-08-03T17:06:09.594Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-02T05:00:05Z

Weaknesses