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CVE

CVE-2026-63767

ktransformers Unauthenticated Pickle Deserialization RCE via ZMQ
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CVE

CVE-2026-63767

ktransformers Unauthenticated Pickle Deserialization RCE via ZMQ

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.3
-
4.0
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
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63767.json, https://nvd.nist.gov/vuln/detail/CVE-2026-63767, https://www.vulncheck.com/advisories/ktransformers-unauthenticated-pickle-deserialization-rce-via-zmq, https://github.com/kvcache-ai/ktransformers/issues/2087, https://github.com/kvcache-ai/ktransformers/commit/def0f9313d6e063b5c5ccdfa1f6707f7a40dfdca, https://github.com/kvcache-ai/ktransformers/pull/2091, https://github.com/kvcache-ai/ktransformers

Severity

0

CVSS Score
0
10

Basic Information

Base CVSS
0
EPSS Probability
0.01116%
EPSS Percentile
0.6392%
Introduced Version
0
Fix Available
def0f9313d6e063b5c5ccdfa1f6707f7a40dfdca

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