What is CVE-2026-112083?

CVE-2026-112083 is a medium-severity vulnerability in Sgl-Project Sglang, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2026-10-19.

How severe is CVE-2026-112083?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Sgl-Project Sglang

CVE-2026-112083

A security flaw has been discovered in sgl-project SGLang up to 0.5.19. Affected is the function WeightExporter.send_weights_to_remote_instance of the file python/sglang/srt/model_executor/model_runner_components/weight_exporter.py of the component Weight Exporter. Performing a manipulation of the argument group_name results in denial of service. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance.

Published 2026-10-19 · last modified 2026-10-19.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Sgl-Project Sglang — versions 0.5.0, 0.5.1, 0.5.10

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release

References

vuldb.com/vuln/421762 (technical-description, vdb-entry)
vuldb.com/vuln/421762/cti (signature, permissions-required)
vuldb.com/cve/CVE-2026-112083 (third-party-advisory)
vuldb.com/submit/1009919 (third-party-advisory)
github.com/sgl-project/sglang/issues/42073 (issue-tracking, exploit)
github.com/sgl-project/sglang/pull/44314 (issue-tracking, patch)
github.com/sgl-project/sglang/ (product)

Frequently asked questions

What is CVE-2026-112083?: CVE-2026-112083 is a medium-severity vulnerability in Sgl-Project Sglang, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2026-10-19.
How severe is CVE-2026-112083?: Medium severity. CVSS v3 base score is 5.3 out of 10.