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CVE-2026-12570— Denial of Service via HDF5 Shape Bomb in keras.models.load_model() in keras-team/keras

Quick assessment

Affected
keras-team keras-team/keras
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

keras-team Keras是keras-team团队开源的一个多后端深度学习框架。 keras-team/keras 3.15.0及之前版本存在资源管理错误漏洞，该漏洞源于H5IOStore.__getitem__方法未验证数据集的形状或大小，导致无界内存分配，可能造成拒绝服务攻击。

AI Predicted 6.5 Difficulty: Easy EPSS 0.13% · P2

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 1

VendorProduct Version RangeStatus
keras-team keras-team/keras unspecified< 3.12.3, 3.15.0 affected
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I. Basic Information for CVE-2026-12570

Vulnerability Information
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Vulnerability Title
Denial of Service via HDF5 Shape Bomb in keras.models.load_model() in keras-team/keras
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
keras 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
keras-team Keras是keras-team团队开源的一个多后端深度学习框架。 keras-team/keras 3.15.0及之前版本存在资源管理错误漏洞，该漏洞源于H5IOStore.__getitem__方法未验证数据集的形状或大小，导致无界内存分配，可能造成拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
keras-team keras-team/keras unspecified ~ 3.12.3, 3.15.0 -

II. Public POCs for CVE-2026-12570

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III. Intelligence Information for CVE-2026-12570

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Patches & Fixes for CVE-2026-12570 (1)

Vendor Advisories for CVE-2026-12570 (1)

IV. Related Vulnerabilities

Same product: keras-team/keras
Same vendor: keras-team
Same weakness: CWE-770

V. Comments for CVE-2026-12570

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