CVE-2025-9906

Code execution via configuration-triggered unsafe deserialization

Published Sep 19, 2025 · Updated Sep 19, 2025

Code execution in Model.load_model in Keras 3.0.0 through 3.10.0 allows attackers to run Python code via a crafted .keras archive. The archive config is parsed before layer deserialization, allowing config.json to invoke keras.config.enable_unsafe_deserialization() before a Lambda layer deserializes attacker-controlled code. Execution requires a user or local process to load the untrusted model, and the code runs with that process's privileges.

CVSS severity8.6
High
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code execution in Model.load_model in Keras 3.0.0 through 3.10.0 allows attackers to run Python code via a crafted .keras archive. The archive config is parsed before layer deserialization, allowing config.json to invoke keras.config.enable_unsafe_deserialization() before a Lambda layer deserializes attacker-controlled code. Execution requires a user or local process to load the untrusted model, and the code runs with that process's privileges.

The record

CVE
CVE-2025-9906
Published
Sep 19, 2025
Updated
Sep 19, 2025
Vendor
Keras
Product
Keras
Classifications
CWE-502, T1204.002
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Sep 19, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 19, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=3.0.0 <3.11.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

Keras · Kerasversion=3.0.0 <3.11.0

Published CVSS scores

8.7GitHub Advisory DatabaseCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.6Google Inc.CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
7.3NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-502Deserialization of Untrusted Data
T1204.002Malicious File

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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