CVE-2026-92785

HIGH 8.1

Angel through 3.3.0 Unauthenticated Kryo Deserialization of Arbitrary Classes

CVSS Score

8.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-502
Vendor	angel-ml
Product	angel
Published	Sep 16, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Angel-ML / angel

0 ≤ 3.3.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/Angel-ML/angel/issues/1355 github.com: https://github.com/Angel-ML/angel github.com: 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 vulncheck.com: https://www.vulncheck.com/advisories/angel-through-3.3.0-unauthenticated-kryo-deserialization-of-arbitrary-classes

Credits

George Chen