How severe is CVE-2025-9905?

CVE-2025-9905 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-9905 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-9905?

CVE-2025-9905 affects Keras. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-9905?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-9905 have an EU (EUVD) identifier?

Yes. CVE-2025-9905 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30277.

When was CVE-2025-9905 published?

CVE-2025-9905 was published on 2025-09-19 and last updated on 2026-06-17.

CVE-2025-9905

CVE-2025-9905 is a high-severity vulnerability in Keras with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-913.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v4: 7.3
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-30277
Weakness: CWE-913
Affected product: Keras
Published: 2025-09-19
Last modified: 2026-06-17

Description

The Keras Model.load_model method can be exploited to achieve arbitrary code execution, even with safe_mode=True. One can create a specially crafted .h5/.hdf5 model archive that, when loaded via Model.load_model, will trigger arbitrary code to be executed. This is achieved by crafting a special .h5 archive file that uses the Lambda layer feature of keras which allows arbitrary Python code in the form of pickled code. The vulnerability comes from the fact that the safe_mode=True option is not honored when reading .h5 archives. Note that the .h5/.hdf5 format is a legacy format supported by Keras 3 for backwards compatibility.

Frequently asked questions

What is CVE-2025-9905?: The Keras Model.load_model method can be exploited to achieve arbitrary code execution, even with safe_mode=True. One can create a specially crafted .h5/.hdf5 model archive that, when loaded via Model.load_model, will trigger arbitrary code to be executed. This is achieved by crafting a special .h5 archive file that uses the Lambda layer feature of keras which allows arbitrary Python code in the form of pickled code. The vulnerability comes from the fact that the safe_mode=True option is not honored when reading .h5 archives. Note that the .h5/.hdf5 format is a legacy format supported by Keras 3 for backwards compatibility.
How severe is CVE-2025-9905?: CVE-2025-9905 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-9905 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-9905?: CVE-2025-9905 affects Keras. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-9905?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-9905 have an EU (EUVD) identifier?: Yes. CVE-2025-9905 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30277.
When was CVE-2025-9905 published?: CVE-2025-9905 was published on 2025-09-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:keras:keras:*:*:*:*:*:*:*:*

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