High8.6Red Hat Linux

High [CVE-2026-39983] Command injection via CRLF sequences in file path parameters

This high-severity Red Hat Linux advisory covers CVE-2026-39983 affecting Red Hat Developer Hub 1.8, Red Hat Developer Hub 1.9, Red Hat OpenShift Container Platform 4.

CVE-2026-39983 Published Apr 9, 2026

CVE-2026-39983

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Command injection via CRLF sequences in file path parameters. Red Hat rates this important (CVSS 8.6).

Weakness: CWE-93. Affected package(s): rhdh/rhdh-hub-rhel9:1777903262, rhdh/rhdh-hub-rhel9:1776784286.

Resolved in Red Hat advisory RHSA-2026:13826 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Developer Hub 1.8; Red Hat Developer Hub 1.9; Red Hat OpenShift Container Platform 4.

Affected versions

rhdh/rhdh-hub-rhel9:1777903262
rhdh/rhdh-hub-rhel9:1776784286

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

RHSA-2026:13826

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:13826 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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