Vulnerability in Python Cpython
CVE-2026-6019
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Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (10.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Python Cpython
- Python — versions 3.15.0
- Python Software Foundation Cpython — versions 0, 3.14.0a1, 3.15.0a1
Weakness classification (CWE)
References
- github.com/python/cpython/pull/148848 (Patch, patch, Issue Tracking)
- github.com/python/cpython/issues/90309 (issue-tracking, Exploit, Issue Tracking)
- mail.python.org/archives/list/security-announce@python.org/thread/IVNWGV2BBNC3R… (vendor-advisory, Mailing List, Vendor Advisory)
- github.com/python/cpython/commit/76b3923d688c0efc580658476c5f525ec8735104 (Patch, patch)
- github.com/python/cpython/commit/3c59b8b53fc75c7f9578d16fb8201ceb43e8f76c (Patch, patch)
- github.com/python/cpython/commit/f795e042043dfe26c42e1971d4502c1cdc4c65b8 (Patch, patch)
Frequently asked questions
- What is CVE-2026-6019?
- CVE-2026-6019 is a medium-severity vulnerability in Python Cpython, classified under CWE-150. CVSS score: 6.1/10. Published 2026-04-22.
- How severe is CVE-2026-6019?
- Medium severity. CVSS v3 base score is 6.1 out of 10.