CVEvulnerability
CVE-2026-63767
9.3 CRITICAL
Official page ↗
- Status
- Deferred
- Published
- 2026-07-20
- Last modified
- 2026-10-24
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 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
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-502
Description
ktransformers through 0.6.3, fixed in commit def0f93, contains an unauthenticated pickle deserialization vulnerability that allows remote attackers to execute arbitrary commands by sending crafted pickle payloads to the SchedulerServer ZMQ ROUTER socket bound to all interfaces. Attackers can exploit malicious __reduce__ methods embedded in crafted pickle payloads to execute arbitrary shell commands as the server process.
Related
Weakness · CWE (1)
- CWE-502 Deserialization of Untrusted Data weakness
References
- https://github.com/kvcache-ai/ktransformers/commit/def0f9313d6e063b5c5ccdfa1f6707f7a40dfdca github.com
- https://github.com/kvcache-ai/ktransformers/issues/2087 github.com
- https://github.com/kvcache-ai/ktransformers/pull/2091 github.com
- https://www.vulncheck.com/advisories/ktransformers-unauthenticated-pickle-deserialization-rce-via-zmq www.vulncheck.com