CVE-2026-14890

CriticalCVSS 9.1/10Last modified Aug 10, 2026

Description

SGLang uses an expert-parallel backup subsystem that exposes a ZeroMQ PULL socket on a routable network interface that does not contain authentication or deserialization safeguards, allowing an attacker to provide a malicious pickle file that results in unauthenticated remote code execution when the feature is enabled and the service is reachable over the network.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
SGLang	SGLang	<= 0.5.14

References

http://vince.cert.org/vuls/id/326070Permissions Required
https://github.com/sgl-project/sglang/blob/main/python/sglang/srt/elastic_ep/expert_backup_manager.pyProduct
https://www.kb.cert.org/vuls/id/326070Mitigation, Third Party Advisory

Timeline

Published: Jul 16, 2026
Last modified: Aug 10, 2026
NVD status: Analyzed

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