Contour Security Release v1.33.5 (GHSA-g3xr-5w5j-w4q4)

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Project Contour

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May 28, 2026, 2:38:38 PM (7 days ago) May 28
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Hi all,

We have released Contour v1.33.5 https://github.com/projectcontour/contour/releases/tag/v1.33.5

This release fixes a bug where configuring fallback certificate with JWT verification in HTTPProxy allowed requests without TLS SNI or with unrecognized SNI to bypass JWT verification. Contour now rejects this invalid configuration. https://github.com/projectcontour/contour/security/advisories/GHSA-g3xr-5w5j-w4q4

Other security updates:
Thank you,
The Contour team
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