What’s Vulnerable › Vulnerabilities

CVE-2026-112083: sgl-project SGLang Weight Exporter weight_exporter.py WeightExporter.send_weights_to_remote_instance denial of service

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-19 · updated 2026-10-19
• Weakness: CWE-404

Description

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.

Affected products

• SGLang: 0.5.0, 0.5.1, 0.5.2, 0.5.3, 0.5.4, 0.5.5 (+14)

References

• https://github.com/sgl-project/sglang/
• https://github.com/sgl-project/sglang/issues/42073
• https://github.com/sgl-project/sglang/pull/44314
• https://vuldb.com/cve/CVE-2026-112083
• https://vuldb.com/submit/1009919
• https://vuldb.com/vuln/421762
• https://vuldb.com/vuln/421762/cti

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