An issue in Hugo Leisink Hiawatha v.12.1 and before allows a remote attacker to execute arbitrary code via a crafted request

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

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References
Link Providers
https://fenrisk.com/hiawatha-http-smuggling cve-icon
https://www.rfc-editor.org/rfc/rfc2616 cve-icon
https://www.rfc-editor.org/rfc/rfc2616.html#section-4.4 cve-icon
https://www.rfc-editor.org/rfc/rfc9112.html#section-6.3 cve-icon
History

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
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-07-31T00:00:00.000Z

Updated: 2026-07-31T20:34:49.901Z

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

Link: CVE-2026-51785

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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