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CVE-2026-12479

Path Traversal in keras-team/keras

6.1 MediumFix available

A path traversal vulnerability exists in keras-team/keras version 3.14.0, specifically in the DiskIOStore.make method within the Keras 3 model saving and loading library. This vulnerability arises from the improper handling of user-provided layer names, which are used to construct directory paths without sanitizing for parent directory components (..). While forward slashes (/) are restricted in layer names, directory traversal sequences are not. This allows an attacker to craft a malicious Keras model that, when saved or loaded, can escape the intended temporary working directory and perform unauthorized file system operations, such as creating directories or writing files in arbitrary locations.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

0.36%Up 0.1 points since Jun 23, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.1

Path Traversal in keras-team/keras

A path traversal vulnerability exists in keras-team/keras version 3.14.0, specifically in the DiskIOStore.make method within the Keras 3 model saving and loading library. This vulnerability arises from the improper handling of user-provided layer names, which are used to construct directory paths without sanitizing for parent directory components (..). While forward slashes (/) are restricted in layer names, directory traversal sequences are not. This allows an attacker to craft a malicious Keras model that, when saved or loaded, can escape the intended temporary working directory and perform unauthorized file system operations, such as creating directories or writing files in arbitrary locations.

Record
CVE-2026-12479
CVSS 3.0
6.1 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-22
Updated
2026-11-02
EUVDEUVD-2026-38265 6.1

A path traversal vulnerability exists in keras-team/keras version 3.14.0, specifically in the DiskIOStore.make method within the Keras 3 model saving and loading library. This vulnerability arises from the improper handling of user-provided layer names, which are used to construct directory paths without sanitizing for parent directory components (..). While forward slashes (/) are restricted in layer names, directory traversal sequences are not. This allows an attacker to craft a malicious Keras model that, when saved or loaded, can escape the intended temporary working directory and perform unauthorized file system operations, such as creating directories or writing files in arbitrary locations.

Record
EUVD-2026-38265
CVSS 3.0
6.1 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-gh82-f9x8-5frx 6.1

Keras: DiskIOStore permits path traversal through crafted layer names

A path traversal vulnerability exists in keras-team/keras version 3.14.0, specifically in the DiskIOStore.make method within the Keras 3 model saving and loading library. This vulnerability arises from the improper handling of user-provided layer names, which are used to construct directory paths without sanitizing for parent directory components (..). While forward slashes (/) are restricted in layer names, directory traversal sequences are not. This allows an attacker to craft a malicious Keras model that, when saved or loaded, can escape the intended temporary working directory and perform unauthorized file system operations, such as creating directories or writing files in arbitrary locations.

Record
GHSA-gh82-f9x8-5frx
CVSS 3.0
6.1 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-22
Updated
2026-11-02
NVD 6.1

A path traversal vulnerability exists in keras-team/keras version 3.14.0, specifically in the DiskIOStore.make method within the Keras 3 model saving and loading library. This vulnerability arises from the improper handling of user-provided layer names, which are used to construct directory paths without sanitizing for parent directory components (..). While forward slashes (/) are restricted in layer names, directory traversal sequences are not. This allows an attacker to craft a malicious Keras model that, when saved or loaded, can escape the intended temporary working directory and perform unauthorized file system operations, such as creating directories or writing files in arbitrary locations.

Record
CVE-2026-12479
CVSS 3.0
6.1 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-22
Updated
2026-11-02
OSVDEBIAN-CVE-2026-12479 6.1

A path traversal vulnerability exists in keras-team/keras version 3.14.0, specifically in the DiskIOStore.make method within the Keras 3 model saving and loading library. This vulnerability arises from the improper handling of user-provided layer names, which are used to construct directory paths without sanitizing for parent directory components (..). While forward slashes (/) are restricted in layer names, directory traversal sequences are not. This allows an attacker to craft a malicious Keras model that, when saved or loaded, can escape the intended temporary working directory and perform unauthorized file system operations, such as creating directories or writing files in arbitrary locations.

Record
DEBIAN-CVE-2026-12479
CVSS 3.0
6.1 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Updated
2026-11-02
OSVGHSA-gh82-f9x8-5frx 6.1

Keras: DiskIOStore permits path traversal through crafted layer names

A path traversal vulnerability exists in keras-team/keras version 3.14.0, specifically in the DiskIOStore.make method within the Keras 3 model saving and loading library. This vulnerability arises from the improper handling of user-provided layer names, which are used to construct directory paths without sanitizing for parent directory components (..). While forward slashes (/) are restricted in layer names, directory traversal sequences are not. This allows an attacker to craft a malicious Keras model that, when saved or loaded, can escape the intended temporary working directory and perform unauthorized file system operations, such as creating directories or writing files in arbitrary locations.

Record
GHSA-gh82-f9x8-5frx
CVSS 3.0
6.1 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-22
Updated
2026-11-02
OSVPYSEC-2026-3632 6.1

Keras: DiskIOStore permits path traversal through crafted layer names

A path traversal vulnerability exists in keras-team/keras version 3.14.0, specifically in the DiskIOStore.make method within the Keras 3 model saving and loading library. This vulnerability arises from the improper handling of user-provided layer names, which are used to construct directory paths without sanitizing for parent directory components (..). While forward slashes (/) are restricted in layer names, directory traversal sequences are not. This allows an attacker to craft a malicious Keras model that, when saved or loaded, can escape the intended temporary working directory and perform unauthorized file system operations, such as creating directories or writing files in arbitrary locations.

Record
PYSEC-2026-3632
CVSS 3.0
6.1 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2026-12479 6.1

A path traversal vulnerability exists in keras-team/keras version 3.14.0, specifically in the DiskIOStore.make method within the Keras 3 model saving and loading library. This vulnerability arises from the improper handling of user-provided layer names, which are used to construct directory paths without sanitizing for parent directory components (..). While forward slashes (/) are restricted in layer names, directory traversal sequences are not. This allows an attacker to craft a malicious Keras model that, when saved or loaded, can escape the intended temporary working directory and perform unauthorized file system operations, such as creating directories or writing files in arbitrary locations.

Record
UBUNTU-CVE-2026-12479
CVSS 3.0
6.1 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
keras
PyPI
before 3.12.3
3.12.3
keras
PyPI
3.13.0 up to 3.15.0
3.15.0
keras
Debian:11
All versions, plus listed versions
2.3.1+dfsg-32.3.1+dfsg2-1
None known
keras
PyPI
before 3.12.3, plus listed versions
0.2.00.3.00.3.10.3.20.3.3
Show 45 moreShow less
1.0.01.0.11.0.21.0.31.0.41.0.51.0.61.0.71.0.81.1.01.1.11.1.21.2.01.2.11.2.22.0.02.0.12.0.22.0.32.0.42.0.52.0.62.0.72.0.82.0.92.1.02.1.12.1.22.1.32.1.42.1.52.1.62.10.02.10.0rc02.10.0rc12.11.02.11.0rc02.11.0rc12.11.0rc22.11.0rc32.12.02.12.0rc02.12.0rc12.13.12.13.1rc0
3.12.3
keras
PyPI
3.13.0 up to 3.15.0, plus listed versions
3.13.13.13.23.14.03.14.1
3.15.0
keras
PyPI
before 3.12.3, 3.13.0 up to 3.15.0, plus listed versions
0.2.00.3.00.3.10.3.20.3.3
Show 45 moreShow less
1.0.01.0.11.0.21.0.31.0.41.0.51.0.61.0.71.0.81.1.01.1.11.1.21.2.01.2.11.2.22.0.02.0.12.0.22.0.32.0.42.0.52.0.62.0.72.0.82.0.92.1.02.1.12.1.22.1.32.1.42.1.52.1.62.10.02.10.0rc02.10.0rc12.11.02.11.0rc02.11.0rc12.11.0rc22.11.0rc32.12.02.12.0rc02.12.0rc12.13.12.13.1rc0
3.12.33.15.0
keras
Ubuntu:18.04:LTS
All versions, plus listed versions
1.0.7-22.1.1-1
None known
keras
Ubuntu:20.04:LTS
All versions, plus listed versions
2.2.4-1
None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-12479 is a medium vulnerability (CVSS 6.1) in Keras-team Keras-team/keras, published June 22, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 30th percentile. Fixed in keras 3.12.3.

References

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Left out here: 134 versions. The JSON record has them.

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