CVE-2025-54412: skops' Inconsistent Trusted Type Validation Enables Hidden `operator` Methods Execution

Severity: high (CVSS 8.7 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-26 · updated 2026-06-17
Weakness: CWE-351

Description

skops is a Python library which helps users share and ship their scikit-learn based models. Versions 0.11.0 and below contain a inconsistency in the OperatorFuncNode which can be exploited to hide the execution of untrusted operator methods. This can then be used in a code reuse attack to invoke seemingly safe functions and escalate to arbitrary code execution with minimal and misleading trusted types. This is fixed in version 0.12.0.

Affected products

skops-dev skops: before 0.12.0

References

https://github.com/skops-dev/skops/commit/0aeca055509dfb48c1506870aabdd9e247adf603
https://github.com/skops-dev/skops/releases/tag/v0.12.0
https://github.com/skops-dev/skops/security/advisories/GHSA-m7f4-hrc6-fwg3

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