Kornelski Http Cache Semantics vulnerabilities
2 vulnerabilities
Known vulnerabilities in Kornelski Http Cache Semantics, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.
PrioritiseCVE-2026-93750kornelski · http-cache-semantics +4 morehttp-cache-semantics through 4.2.0 Cross-Client Cache Disclosure via Vary Wildcardhttp-cache-semantics through 4.2.0 contains a cache validation vulnerability in the _varyMatches() function that fails to properly validate Vary header wildcards due to byte-for-byte string comparison. Attackers can request URLs previously fetched by other clients to receive cached responses intended for different users, disclosing sensitive information across clients.CVSS8.2HighEPSS0.45%PrioritiseCVE-2026-93748kornelski · http-cache-semantics +35 morehttp-cache-semantics through 4.2.0 Cross-User Cache Disclosure via max-stalehttp-cache-semantics through 4.2.0 fails to properly validate security-zeroed cache entries when processing client max-stale directives, allowing unauthenticated attackers to retrieve cached responses belonging to other users. Attackers can request the same URL with a large max-stale value to obtain another user's Set-Cookie session credentials from shared-cache entries that were deliberately zeroed for security reasons.CVSS8.7HighEPSS0.57%