CVE-2026-19445
Python Software Foundation CPython
- Python Software Foundation CPython
- Critical
- CVSS 9.2
- EPSS 0.52%
- Fixed version listed
What to do
Fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| Python Software Foundation CPython | before 3.10.22; from 3.11.0, before 3.11.17; from 3.12.0, before 3.12.15; from 3.13.0, before 3.13.16; from 3.14.0, before 3.14.8; from 3.15.0a1, before 3.15.0rc3 | 3.10.22, 3.11.17, 3.12.15, 3.13.16, 3.14.8, 3.15.0rc3 |
Advisories and fixes
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.2 (v4.0, scored by PSF)
- EPSS
- 0.52% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 25, 2026)
- Weakness
- CWE-416: CWE-416
- Vendor
- Python Software Foundation, CPython
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.