Deserialization in Kvcache-ai Ktransformers

CVE-2026-26210

KTransformers through 0.5.3 contains an unsafe deserialization vulnerability in the balance_serve backend mode where the scheduler RPC server binds a ZMQ ROUTER socket to all interfaces with no authentication and deserializes incoming mess…

Vulnerability class: Insecure Deserialization

EPSS: 0.002 (36.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-26210?
CVE-2026-26210 is a critical-severity vulnerability in Kvcache-ai Ktransformers, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-04-23.
How severe is CVE-2026-26210?
Critical severity. CVSS v3 base score is 9.8 out of 10.