Is there a public PoC exploit available for CVE-2026-26210?

Yes, a public proof-of-concept exploit is available for CVE-2026-26210. Prioritise patching immediately. EPSS: 0.0%.

Is there a patch available for CVE-2026-26210?

Yes, a patch is available for CVE-2026-26210. Update the affected software to the latest version immediately.

Ktransformers CVE-2026-26210

Q: What is the CVSS score of CVE-2026-26210?

CVE-2026-26210 has a CVSS 4.0 base score of 9.3 (Critical). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

EUVD-2026-25305 CRITICAL

Deserialization of Untrusted Data (CWE-502)

2026-04-23 VulnCheck

GHSA-w598-p4vc-7qcx

Deserialization RCE Ktransformers

9.3

CVSS 4.0 · Vendor: VulnCheck

Severity by source

Vendor (VulnCheck) PRIMARY

9.3 CRITICAL

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from Vendor (VulnCheck) · only source for this CVE.

CVSS VectorVendor: VulnCheck

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

PoC Detected

Apr 24, 2026 - 14:50 vuln.today

Public exploit code

CVSS changed

Apr 23, 2026 - 22:28 NVD

9.8 (CRITICAL) 9.3 (CRITICAL)

EUVD ID Assigned

Apr 23, 2026 - 21:45 euvd

EUVD-2026-25305

Patch released

Apr 23, 2026 - 21:45 nvd

Patch available

CVE Published

Apr 23, 2026 - 21:24 nvd

CRITICAL 9.3

DescriptionCVE.org

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.