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CVE-2026-12481— Deserialization of Untrusted Data 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 3.14.0版本存在反序列化注入漏洞，该漏洞源于对Lambda层反序列化处理不当，导致代码执行。

AI Predicted 9.8 Difficulty: Easy EPSS 0.72% · P54

Affected Version Matrix 1

VendorProduct Version RangeStatus
keras-team keras-team/keras unspecified≤ latest affected
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I. Basic Information for CVE-2026-12481

Vulnerability Information
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Vulnerability Title
Deserialization of Untrusted Data in keras-team/keras
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in keras-team/keras version 3.14.0 allows for arbitrary code execution due to improper handling of deserialization in the `Lambda` layer. Specifically, the `_raise_for_lambda_deserialization()` function fails to enforce the safe-mode guard when `safe_mode` is set to `None`, which is the default value when `from_config()` is called outside of a `SafeModeScope` context. This logic error conflates `None` (unset/default-deny) with `False` (explicitly disabled), bypassing the guard and allowing attacker-controlled `marshal` bytecode to be deserialized. Affected call sites include `keras.layers.deserialize(config)`, `keras.models.clone_model(model)`, and any direct invocation of `Lambda.from_config(config)` without an enclosing `SafeModeScope(True)`. This vulnerability can be exploited to achieve arbitrary OS-level code execution in the context of the server or user process.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Keras 反序列化注入漏洞
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 3.14.0版本存在反序列化注入漏洞，该漏洞源于对Lambda层反序列化处理不当，导致代码执行。
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 ~ latest -

II. Public POCs for CVE-2026-12481

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III. Intelligence Information for CVE-2026-12481

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Vendor Advisories for CVE-2026-12481 (1)

IV. Related Vulnerabilities

Same product: keras-team/keras
Same vendor: keras-team
Same weakness: CWE-502