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CVE-2026-14890

Lmsys Sglang remote code execution

9.1 CRITICALEPSS 1.00%
  1. Published16 Jul 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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Lmsys Sglang≤ 0.5.14

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2026-14890 being actively exploited?

CVE-2026-14890 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.00%.

How severe is CVE-2026-14890?

CVE-2026-14890 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 1.00% probability of exploitation.

Which products are affected by CVE-2026-14890?

Affected products include Lmsys Sglang.

How do I fix CVE-2026-14890?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-14890 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.