Medium severity · published Oct 19, 2026
CVE-2026-112083
sgl-project SGLang Weight Exporter weight_exporter.py WeightExporter.send_weights_to_remote_instance denial of service
5.3
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SG
SGLang · sgl-project
0.5.0; 0.5.1; 0.5.2; 0.5.3; 0.5.4; 0.5.5; +14 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-112083
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-112083
github.com
https://github.com/sgl-project/sglang/
github.com
https://github.com/sgl-project/sglang/issues/42073
github.com
https://github.com/sgl-project/sglang/pull/44314
vuldb.com
https://vuldb.com/cve/CVE-2026-112083
vuldb.com
https://vuldb.com/submit/1009919
vuldb.com
https://vuldb.com/vuln/421762
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