High [CVE-2026-100663] Security policy bypass via improper HTTP/1 to HTTP/3 CONNECT request translation
This high-severity Red Hat Linux advisory covers CVE-2026-100663; related products: Red Hat OpenShift Dev Spaces.
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Summary
Security policy bypass via improper HTTP/1 to HTTP/3 CONNECT request translation. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-444.
Affected product named by the advisory: Red Hat OpenShift Dev Spaces.
- 4.2.2
- 4.2.17
Official advisory · high-confidence parse· fetched 2 days ago·verify at source
Mitigation
Upgrade to a fixed release: 4.2.18. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 days ago·verify at source
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