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Vulnerabilities CVE-2026-12570

CVE-2026-12570

Medium
Open
TLP:CLEAR

Denial of Service via HDF5 Shape Bomb in keras.models.load_model() in keras-team/keras

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Description

A vulnerability in keras-team/keras versions <= 3.15.0 allows for a denial of service (DoS) attack when loading malicious .keras model files via the keras.models.load_model() function. The H5IOStore.__getitem__ method in keras/src/saving/saving_lib.py does not validate the shape or size of datasets, leading to unbounded memory allocation. A specially crafted .keras file can exploit this flaw to trigger an out-of-memory (OOM) condition, causing the process to be terminated (exit code 137). This issue bypasses the fix for CVE-2026-0897, which only addressed a similar vulnerability in KerasFileEditor. The attack vector includes poisoned models from public repositories or malicious model registries, posing a risk to machine learning pipelines that process untrusted models.

Details

CVSS Score
5.5
EPSS Score
0.13%

2.8th percentile

CVSS Vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Confidence
90%
Published
Aug 10, 2026
Last Modified
Aug 10, 2026
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