Cpython
76 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Cpython, a product in the oss libraries space. Use it to gauge the current risk picture and drill into individual advisories.
Cpython CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 1 |
| 2024-11 | 1 |
| 2024-12 | 1 |
| 2025-01 | 1 |
| 2025-02 | 2 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 1 |
| 2025-06 | 6 |
| 2025-07 | 1 |
| 2025-08 | 0 |
| 2025-09 | 0 |
| 2025-10 | 2 |
| 2025-11 | 1 |
| 2025-12 | 3 |
| 2026-01 | 8 |
| 2026-02 | 0 |
| 2026-03 | 6 |
| 2026-04 | 8 |
| 2026-05 | 2 |
| 2026-06 | 9 |
| 2026-07 | 2 |
| 2026-08 | 5 |
| 2026-09 | 2 |
Severity
How the 76 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical3
- High24
- Medium24
- Low4
Latest CVEs
The 15 most recently published vulnerabilities affecting Cpython.
- CVE-2026-82049tarfile extraction filters allow file modification and content disclosure via hard link to symlink—
- CVE-2026-87910tarfile hardlink fallback ignores custom extraction filter rejection via None—
- CVE-2026-15310zipfile: bzip2/LZMA/Zstandard members decompress without a max_length bound, defeating chunked-read memory limits—
- CVE-2026-19672tarfile extraction filter bypass allows creation of directories outside the destination—
- CVE-2026-15806`HTTPPasswordMgr` can send saved HTTPS credentials via HTTP because of incorrect scheme matching—
- CVE-2026-17084stringprep.map_table_b2() deviates from RFC 3454 Table B.2—
- CVE-2026-18503Super-linear CPU usage for unbounded input to csv.Sniffer.sniff()—
- CVE-2026-6879Quadratic Behavior in xml.etree.ElementPath Index Predicates—
- CVE-2026-15308Incremental HTMLParser feed() allows CPU-exhaustion DoS via repeated unterminated markup declarations7.5
- CVE-2026-4360Tarfile.extract() doesn't fully respect filter parameter5.3
- CVE-2026-11972tarfile opened in streaming mode mishandles EOF—
- CVE-2026-0864Configuration Injection via Carriage Return (\r) in write() method5.5
- CVE-2026-11940tarfile extraction filter bypass allows escaping the destination directory—
- BDU:2026-08551Уязвимость функции ast_for_if_stmt() интерпретатора языка программирования Python (CPython), связанная с ошибками разыменования указателей, позволяющая нарушителю вызвать отказ в обслуживании5.5
- CVE-2026-12003CPython >3.11 Insecure Input Validation resulting in privilege escalation—
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