What is GHSA-6mmc-8ffm-69rw?

GHSA-6mmc-8ffm-69rw is a security advisory published by GitHub Security Advisories with Medium severity. In JetBrains Ktor before 3.6.1 hTTP request smuggling was possible in the CIO engine

Which CVE IDs does GHSA-6mmc-8ffm-69rw cover?

GHSA-6mmc-8ffm-69rw covers the following CVE IDs: CVE-2026-123318. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-6mmc-8ffm-69rw?

GHSA-6mmc-8ffm-69rw has a CVSS v3 base score of 4.8, published by GitHub Security Advisories.

GHSA-6mmc-8ffm-69rwMediumCVSS 4.8

In JetBrains Ktor before 3.6.1 hTTP request smuggling was possible in the CIO engine

Vendor

GitHub Security Advisories

Published

November 6, 2026

Last Modified

November 6, 2026

🔗 CVE IDs covered (1)

CVE-2026-123318 →

📋 Description

In JetBrains Ktor before 3.6.1 hTTP request smuggling was possible in the CIO engine

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-123318
https://www.jetbrains.com/privacy-security/issues-fixed
https://github.com/advisories/GHSA-6mmc-8ffm-69rw