Windows apps · Application version · August 5, 2026
Python 3.13 3.13.15
Python 3.13 3.13.15, released August 5, 2026, fixes 8 CVEs in Python 3.13. None of them is reported as exploited. Patch Radar priority: High. The latest Python 3.13 is 3.13.17, which also fixes every one of these CVEs.
High
Superseded. The latest Python 3.13 is 3.13.17, which also fixes every CVE on this page. Install that instead.
CVEs closed
8
None rated Critical
Exploited
0
None reported
Highest CVSS
8.7
Base score, 0 to 10
Highest EPSS
0.0075
55th percentile
Priority of the 8 CVEs
Patch now 0
Urgent 0
High 4
Routine 4
Applies to
| Product | Version |
|---|---|
| Python 3.13 | 3.13.15 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-11940 | tarfile extraction filter bypass allows escaping the destination directory | 7.8 | 0.0075 | None reported |
| High | CVE-2026-11972 | tarfile opened in streaming mode mishandles EOF | 8.2 | 0.0072 | None reported |
| High | CVE-2026-15308 | Incremental HTMLParser feed() allows CPU-exhaustion DoS via repeated unterminated markup declarations | 8.7 | 0.0064 | None reported |
| High | CVE-2025-15366 | IMAP command injection in user-controlled commands | 7.1 | 0.0043 | None reported |
| Routine | CVE-2026-6879 | Quadratic Behavior in xml.etree.ElementPath Index Predicates | 2.0 | 0.0036 | None reported |
| Routine | CVE-2026-12003 | CPython >3.11 Insecure Input Validation resulting in privilege escalation | 5.3 | 0.0014 | None reported |
| Routine | CVE-2026-0864 | Configuration Injection via Carriage Return (\r) in write() method | 5.5 | 0.0013 | None reported |
| Routine | CVE-2026-18503 | Super-linear CPU usage for unbounded input to csv.Sniffer.sniff() | 2.4 | 0.0012 | None reported |
Showing 1 to 8 of 8
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