CVE-2026-26210
CVE-2026-26210
9.3
CriticalPublished:
Last updated:
Source:disclosure@vulncheck.com
Analyzed
Weakness (CWE)
CVSS Vector
v4.0- Attack Vector
- Network
- Attack Complexity
- Low
- Attack Requirements
- None
- Privileges Required
- None
- User Interaction
- None
- Confidentiality (Vulnerable)
- High
- Integrity (Vulnerable)
- High
- Availability (Vulnerable)
- High
- Confidentiality (Subsequent)
- None
- Integrity (Subsequent)
- None
- Availability (Subsequent)
- None
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.
References
disclosure@vulncheck.com
https://chocapikk.com/posts/2026/ktransformers-pickle-rce/disclosure@vulncheck.com
https://github.com/kvcache-ai/ktransformers/pull/1944disclosure@vulncheck.com
https://www.vulncheck.com/advisories/ktransformers-unsafe-deserialization-rce-via-balance-serve