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CVE-2026-26210

Kvcache-ai Ktransformers remote code execution

9.8 CRITICALPublic exploitEPSS 1.04%
  1. Published23 Apr 2026

Description

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 messages using pickle.loads() without validation. Attackers can send a crafted pickle payload to the exposed ZMQ socket to execute arbitrary code on the server with the privileges of the ktransformers process.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Kvcache-ai Ktransformers≤ 0.5.3

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2026-26210 being actively exploited?

CVE-2026-26210 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.04%.

How severe is CVE-2026-26210?

CVE-2026-26210 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.04% probability of exploitation.

Which products are affected by CVE-2026-26210?

Affected products include Kvcache-ai Ktransformers.

How do I fix CVE-2026-26210?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.