CVE-2026-92785
Severity CVSS v4.0:
CRITICAL
Type:
CWE-502
Deserialization of Untrusted Dat
Publication date:
16/09/2026
Last modified:
24/09/2026
Description
Angel through 3.3.0 deserializes untrusted setAlgoMetrics payload using Kryo without class registration or allowlist validation. Unauthenticated network attackers can instantiate arbitrary classes or exhaust coordinator memory by sending crafted serialized objects to the master RPC endpoint.
Impact
Base Score 4.0
9.20
Severity 4.0
CRITICAL
Base Score 3.x
8.10
Severity 3.x
HIGH
References to Advisories, Solutions, and Tools
- https://github.com/Angel-ML/angel
- https://github.com/Angel-ML/angel/blob/Release-3.3.0/angel-ps/core/src/main/java/com/tencent/angel/utils/KryoUtils.java#L45-L70
- https://github.com/Angel-ML/angel/issues/1355
- https://www.vulncheck.com/advisories/angel-through-3.3.0-unauthenticated-kryo-deserialization-of-arbitrary-classes
- https://github.com/Angel-ML/angel/issues/1355


