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TI-2026-08188 Aliases CVE-2026-9335GHSA-m8wh-29wm-52mv

Improper Handling of HDF5 ExternalLinks in keras-team/keras

Priority LOW 30CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.

Summary

A vulnerability in keras-team/keras versions <= 3.14.0 allows arbitrary local HDF5 file content disclosure due to improper handling of HDF5 ExternalLinks. The `KerasFileEditor` and `keras.saving.load_weights` functions bypass the `safe_get_h5_group` and `safe_get_h5_dataset` helpers, which are designed to reject ExternalLinks and SoftLinks. This results in automatic dereferencing of links to external HDF5 files, enabling attackers to disclose sensitive data from the victim's local filesystem. Specifically, `KerasFileEditor` extracts attributes and datasets from linked files into its internal structures, while `keras.saving.load_weights` loads weights from linked files into the user's model. This issue can be exploited by providing a malicious `.h5`, `.weights.h5`, or `.keras` file containing ExternalLinks.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00767 55th percentileScored 2026-11-07
Fix Fixed keras-team/keras (keras-team): 3.12.3, 3.15.0keras (PyPI): 3.12.3, 3.15.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
keras-teamkeras-team/kerasbefore 3.12.3, 3.15.03.12.3, 3.15.0Patch availableCNA
—keras (PyPI)before 3.12.33.12.3Patch availableGHSA-m8wh-29wm-52mv
—keras (PyPI)3.13.0 to before 3.15.03.15.0Patch availableGHSA-m8wh-29wm-52mv
  • keras-team/keras Vendorkeras-team Affected before 3.12.3, 3.15.0 Fixed in 3.12.3, 3.15.0 Patch available CNA
  • keras (PyPI) Vendor— Affected before 3.12.3 Fixed in 3.12.3 Patch available GHSA-m8wh-29wm-52mv
  • keras (PyPI) Vendor— Affected 3.13.0 to before 3.15.0 Fixed in 3.15.0 Patch available GHSA-m8wh-29wm-52mv

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:keras:keras:*:*:*:*:*:*:*:*——keras-team
  • cpe:2.3:a:keras:keras:*:*:*:*:*:*:*:* Versions — — ·keras-team

Remediation

  • Fix · CNA keras-team/keras (keras-team) Fixed in 3.12.3, 3.15.0
  • Fix · GHSA-m8wh-29wm-52mv keras (PyPI) Fixed in 3.12.3 Advisory →
  • Fix · GHSA-m8wh-29wm-52mv keras (PyPI) Fixed in 3.15.0 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-9335
  2. 2026-10-03 Alias added: GHSA-m8wh-29wm-52mv
  3. 2026-11-06 Affected versions changed · Red Hat
  4. 2026-11-06 CVSS score added · Red Hat

References

Advisory 1

Other 8

  • TI-2025-31626 Deserialization of untrusted data in keras-team Keras CVSS 3.1CRITICAL 9.8
  • TI-2026-10715 Deserialization of Untrusted Data in keras-team/keras CVSS 3.1CRITICAL 9.8
  • TI-2026-01159 Safe Mode Bypass in keras-team/keras CVSS 3.0HIGH 8.8
  • TI-2025-08001 Keras safe_mode bypass allows arbitrary code execution when loading a malicious model. CVSS 4.0HIGH 8.6
  • TI-2026-10199 Path Traversal in keras-team/keras CVSS 3.0HIGH 8.1
  • TI-2025-11591 Path Traversal Vulnerability in keras-team/keras via Tar Archive Extraction in keras.utils.get_file() CVSS 3.0HIGH 8.0
See all 20 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences