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
cve-program · CVE-2026-92786
PublishedLightGBM 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 advisoryAffected versions, risk and source history
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CVE-2026-92786 · CVE overview and exploitation status
cve-program · CVE-2026-92786
- https://github.com/lightgbm-org/LightGBM/issues/7357
- https://github.com/lightgbm-org/LightGBM
- https://github.com/lightgbm-org/LightGBM/blob/v4.6.0/include/LightGBM/tree.h#L691-L698
- https://github.com/lightgbm-org/LightGBM/blob/v4.6.0/src/io/tree.cpp#L750-L766
- https://www.vulncheck.com/advisories/lightgbm-through-4.7.0-out-of-bounds-write-via-crafted-model
Related changes
Linked by CVE identifierNo related changes are available here.