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CVE-2026-92785NVD
Vulnerability Summary
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.
CVSS v4.0 Base Metrics — Score 9.2 (CRITICAL)
Attack VectorNetwork
Attack ComplexityHigh
Attack RequirementsPresent
Privileges RequiredNone
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)High
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
CVSS v3.1 Base Metrics — Score 8.1 (HIGH)
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Affected & Patched Versions
- Angel-ML angel <= 3.3.0
- Angel-ML angel 3.3.0
External References
- https://github.com/Angel-ML/angel/issues/1355
- 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://www.vulncheck.com/advisories/angel-through-3.3.0-unauthenticated-kryo-deserialization-of-arbitrary-classes