CVE-2026-4224
A remote, authenticated attacker can exploit multiple vulnerabilities in CPython to manipulate files or cause a denial-of-service condition.
CSIRTS triage
- What
- A remote, authenticated attacker can exploit multiple vulnerabilities in CPython to manipulate files or cause a denial-of-service condition.
- Who is affected
- Authenticated users of CPython are affected.
- Urgency
- Remediation is medium urgency due to the medium severity and potential for denial of service.
- Action
- Update to the latest version of CPython.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.64% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 48% of all EPSS-scored CVEs.
Advisory coverage (3)
- unknownCVE-2026-4224: Stack overflow parsing XML with deeply nested DTD content modelsmsrc · 2026-08-06
- medium[UPDATE] [medium] CPython: Multiple vulnerabilities allow file manipulation and DoScert-bund · 2026-07-07
- unknownUSN-8509-1: Python vulnerabilitiesubuntu · 2026-07-06
External references
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