zrok allows unauthenticated DoS via unbounded memory allocation in striped session cookie parsing
zrok is software for sharing web services, files, and network resources. Prior to version 2.0.1, endpoints.GetSessionCookie parses an attacker-supplied cookie chunk count and calls make([]string, count) with no upper bound before any token validation occurs. The function is reached on every request to an OAuth-protecte…
Severity high: primary CNA CVSS 7.5 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-04-17T21:01:51.899Z. Updated 2026-04-20T16:19:07.291Z.