CVE-2026-26210
KTransformers Unsafe Deserialization RCE via balance_serve
Vexday Risk Score
48Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 9.3EPSS 0.7%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
23 Apr 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
kvcache-ai · ktransformerspublic PoCs found — 1
cve_referencechocapikk.com/posts/2026/ktransformers-pickle-rce/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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