CVE-2026-39858
CVE-2026-39858: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh8.2
High [CVE-2026-39858] Authentication bypass via unsanitized alias headers
CVE-2026-39858Source published
Authentication bypass via unsanitized alias headers. Red Hat rates this important (CVSS 8.2). Weakness: CWE-289. Affected package(s): devspaces/traefik-rhel9:1779786779. Resolved in Red Hat advisory RHSA-2026:21772 — update the affected packages (`sudo dnf update`).
- Affected products in this advisory
- Red Hat OpenShift Dev Spaces 3.28
- Source-reported affected versions
- devspaces/traefik-rhel9:1779786779
- Source-reported fixed versions
- RHSA-2026:21772
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:21772 (`sudo dnf update` / `yum update`).
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