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CVE-2026-12480— Arbitrary HDF5 File Read via Virtual Dataset Bypass 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是Keras团队开源的一个多后端深度学习框架。 keras 3.13.2及之前版本存在输入验证错误漏洞，该漏洞源于H5IOStore._verify_dataset()和file_editor.py方法未能检查HDF5数据集的dataset.is_virtual属性，可能导致攻击者制作包含虚拟数据集的恶意.keras模型存档或.h5权重文件，当受害者加载模型时读取外部文件，导致信息泄露。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.18% · P6

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 1

VendorProduct Version RangeStatus
keras-team keras-team/keras unspecified< 3.12.2, 3.14.1 affected
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I. Basic Information for CVE-2026-12480

Vulnerability Information
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Vulnerability Title
Arbitrary HDF5 File Read via Virtual Dataset Bypass in keras-team/keras
Source: CVE Program / CVE List V5
Vulnerability Description
Keras versions up to and including 3.13.2 are vulnerable to an arbitrary HDF5 file read due to an incomplete fix for CVE-2026-1669. The vulnerability resides in the `H5IOStore._verify_dataset()` and `file_editor.py` methods, which fail to check the `dataset.is_virtual` property of HDF5 datasets. This allows an attacker to craft a malicious `.keras` model archive or `.h5` weights file containing a Virtual Dataset (VDS) that references external HDF5 files on the victim's filesystem. When the victim loads the model using `keras.models.load_model()` or `keras.saving.load_model()`, the external file is transparently read, leading to potential information disclosure. Fixed in versions 3.12.2 and 3.14.1.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
文件名或路径的外部可控制
Source: CVE Program / CVE List V5
Vulnerability Title
keras 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Keras是Keras团队开源的一个多后端深度学习框架。 keras 3.13.2及之前版本存在输入验证错误漏洞，该漏洞源于H5IOStore._verify_dataset()和file_editor.py方法未能检查HDF5数据集的dataset.is_virtual属性，可能导致攻击者制作包含虚拟数据集的恶意.keras模型存档或.h5权重文件，当受害者加载模型时读取外部文件，导致信息泄露。
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 ~ 3.12.2, 3.14.1 -

II. Public POCs for CVE-2026-12480

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III. Intelligence Information for CVE-2026-12480

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Patches & Fixes for CVE-2026-12480 (1)

Vendor Advisories for CVE-2026-12480 (1)

IV. Related Vulnerabilities

Same product: keras-team/keras
Same vendor: keras-team
Same weakness: CWE-73

V. Comments for CVE-2026-12480

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