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CVE-2026-92786

LightGBM through 4.7.0 Out-of-Bounds Write via Crafted Model

CVSS 4.0 8.5 HIGHCVSS 3.1 7.8 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-92786

Published

LightGBM through 4.7.0 fails to validate child and split array values when parsing text models, allowing attackers to write out-of-bounds memory during SHAP prediction. Attackers can craft malicious model files with invalid node references that trigger out-of-bounds writes at attacker-chosen offsets in the leaf_depth_ buffer during feature contribution computation.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-92786

Published

LightGBM

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "lightgbm-org",
                    "product": "LightGBM",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "4.7.0",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON