CVE-2026-15561
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk27th percentile - higher than 27% of all known CVEs
Summary
In EAP undertow HTTP/1.1 chunked-transfer decoder, missing limits on size and count allow an attacker to use an unauthenticated connection to drive the JVM to an OutOfMemory error, stopping all deployments on the listener and achieving denial of service.
Risk Assessment
Risk of all applications on the server being stopped due to memory exhaustion, leading to complete service unavailability.
Recommendation
Apply vendor patches that add limits to chunked transfer size and count, and consider rate limiting connections.
Original NVD description (English source)
A flaw was found in EAP's undertow http/1.1 chunked-transfer decoder. missing limits on size and count would allow an attacker to use an unauthenticated connection to drive the JVM to an OutOfMemory error, stopping all deployments on the listener, and achieving Denial of Service.