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Priority LOW 12

In Vinyl Cache before 9.0.1 and Varnish Cache before 9.0.3, a deficiency in HTTP/2 request parsing can be exploited to launch a backend request desync attack (request smuggling), which in turn can be used for cache poiso…

CVSS 4.0LOW 2.3 Network No auth User interaction EPSS 0.00382 Published 2026-06-03 Fixed in 9.0.1, 8.0.2 +2 CWE-444