CVE-2026-4360
A vulnerability has been discovered in CPython. It allows an attacker to bypass the security policy.
CSIRTS triage
- What
- A vulnerability allows for security policy bypass.
- Who is affected
- Users of CPython are affected.
- Urgency
- Remediation is urgent due to the potential for exploitation.
- Action
- Apply patches or mitigations as provided by CPython.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
Advisory coverage (2)
- unknownVulnerability in CPython (July 2, 2026)cert-fr-avis · 2026-07-02
- unknownCVE-2026-4360: In the Tarfile.extract() function, the filter parameter is not passed properly when extracting …nvd · 2026-06-30
External references
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[](https://www.csirts.com/cve/CVE-2026-4360)