{"id":"CVE-2026-112083","title":"sgl-project SGLang Weight Exporter weight_exporter.py WeightExporter.send_weights_to_remote_instance denial of service","summary":"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 th…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C","cvssSource":"cna","cwe":["CWE-404"],"vendor":"sgl-project","product":"SGLang","affected":["SGLang 0.5.0","SGLang 0.5.1","SGLang 0.5.2","SGLang 0.5.3","SGLang 0.5.4","SGLang 0.5.5","SGLang 0.5.6","SGLang 0.5.7","SGLang 0.5.8","SGLang 0.5.9","SGLang 0.5.10","SGLang 0.5.11","SGLang 0.5.12","SGLang 0.5.13","SGLang 0.5.14","SGLang 0.5.15","SGLang 0.5.16","SGLang 0.5.17","SGLang 0.5.18","SGLang 0.5.19"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-19T15:46:38.788229Z"},"exploitAvailable":true,"published":"2026-10-19","updated":"2026-10-19","sourceUpdated":"2026-10-19T16:36:26.379Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112083","references":[{"url":"https://vuldb.com/vuln/421762","label":"VDB-421762 | sgl-project SGLang Weight Exporter weight_exporter.py WeightExporter.send_weights_to_remote_instance denial of service"},{"url":"https://vuldb.com/vuln/421762/cti","label":"VDB-421762 | CTI Indicators (IOB, IOC, TTP, IOA)"},{"url":"https://vuldb.com/cve/CVE-2026-112083","label":"CVE-2026-112083 | CVE Analysis and Report"},{"url":"https://vuldb.com/submit/1009919","label":"Submit #1009919 | SGLang Project (sgl-project) SGLang 0.5.19  Denial of Service"},{"url":"https://github.com/sgl-project/sglang/issues/42073"},{"url":"https://github.com/sgl-project/sglang/pull/44314"},{"url":"https://github.com/sgl-project/sglang/"}],"tags":["cve.org","exploit-available"],"epss":0.00419,"epssPercentile":0.34772,"ingestedAt":"2026-10-19T07:09:59.601Z","slug":"CVE-2026-112083","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `SGLang 0.5.0`\n- `SGLang 0.5.1`\n- `SGLang 0.5.2`\n- `SGLang 0.5.3`\n- `SGLang 0.5.4`\n- `SGLang 0.5.5`\n- `SGLang 0.5.6`\n- `SGLang 0.5.7`\n- `SGLang 0.5.8`\n- `SGLang 0.5.9`\n- `SGLang 0.5.10`\n- `SGLang 0.5.11`\n- `SGLang 0.5.12`\n- `SGLang 0.5.13`\n- `SGLang 0.5.14`\n- `SGLang 0.5.15`\n- `SGLang 0.5.16`\n- `SGLang 0.5.17`\n- `SGLang 0.5.18`\n- `SGLang 0.5.19`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":225053,"id":"CVE-2026-112083","ts":1792431317815,"field":"exploit_available","old":"false","new":"true"}]}