CVE-2025-22153: PYSEC-2026-1874 - try/except* clauses could allow bypass RestrictedPython via type confusion bug in the CPython interpreter

CVE-2025-22153 · Severity: low · CVSS 3.1 · Published 2026-07-07

try/except* clauses could allow bypass RestrictedPython via type confusion bug in the CPython interpreter

Technologies: restrictedpython (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2025-22153 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-22153 being exploited in the wild.
How severe is CVE-2025-22153?
Low severity, with a CVSS score of 3.1, published 7 July 2026.
Which products and versions are affected?
restrictedpython (PyPI) ECOSYSTEM:introduced=6.0,fixed=8.0.
Is there a fix for CVE-2025-22153?
Yes. restrictedpython (PyPI): upgrade to 8.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-22153?
Check whether you run restrictedpython (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • restrictedpython (PyPI): upgrade to 8.0 or later
    pip install "restrictedpython>=8.0"

Affected products

  • restrictedpython (PyPI) ECOSYSTEM:introduced=6.0,fixed=8.0

Identifiers

  • CVE-2025-22153
  • GHSA-gmj9-h825-chq2
  • PYSEC-2026-1874

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