High7.1Red Hat & Ubuntu Linux
Cross-Origin Resource Sharing (CORS) bypass via improper Origin header validation
CVE-2026-40110 Published May 5, 2026
CVE-2026-40110
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Cross-Origin Resource Sharing (CORS) bypass via improper Origin header validation. Red Hat rates this important (CVSS 7.1). Weakness: CWE-625. 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 important; a fix erratum may not be out yet — apply the RHSA as soon as it publishes.
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
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