What is GHSA-8mxp-hf23-8hp4?

GHSA-8mxp-hf23-8hp4 is a security advisory published by GitHub Security Advisories with Critical severity. An issue in Hugo Leisink Hiawatha v.12.1 and before allows a remote attacker to execute arbitrary...

Which CVE IDs does GHSA-8mxp-hf23-8hp4 cover?

GHSA-8mxp-hf23-8hp4 covers the following CVE IDs: CVE-2026-51785. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-8mxp-hf23-8hp4?

GHSA-8mxp-hf23-8hp4 has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-8mxp-hf23-8hp4CriticalCVSS 9.8

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

Vendor

GitHub Security Advisories

Published

July 31, 2026

Last Modified

August 3, 2026

🔗 CVE IDs covered (1)

CVE-2026-51785 →

📋 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 (6)

https://nvd.nist.gov/vuln/detail/CVE-2026-51785
https://fenrisk.com/hiawatha-http-smuggling
https://www.rfc-editor.org/rfc/rfc2616
https://www.rfc-editor.org/rfc/rfc2616.html#section-4.4
https://www.rfc-editor.org/rfc/rfc9112.html#section-6.3
https://github.com/advisories/GHSA-8mxp-hf23-8hp4