Critical9.8Red Hat & Ubuntu Linux
Remote Code Execution via header injection due to missing inbound filtering
CVE-2026-47323 Published May 19, 2026
CVE-2026-47323
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Remote Code Execution via header injection due to missing inbound filtering. Red Hat rates this critical (CVSS 9.8). Weakness: CWE-791. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
Mitigation checklist
Recommended fix / mitigation
- Red Hat rates this critical; a fix erratum may not be out yet — apply the RHSA as soon as it publishes.
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
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