CVE-2026-15806
A remote, anonymous attacker can exploit multiple vulnerabilities in CPython to disclose information and to achieve unspecified impacts.
CSIRTS triage
- What
- Multiple vulnerabilities in CPython allow remote information disclosure and unspecified impacts.
- Who is affected
- Systems running affected versions of CPython.
- Urgency
- Medium priority; information disclosure and unspecified impacts require timely patching.
- Action
- Apply CPython security updates addressing CVE-2026-17084 and CVE-2026-15806.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all EPSS-scored CVEs.
Advisory coverage (3)
- medium[NEW] [medium] CPython: Multiple vulnerabilitiescert-bund · 2026-08-19
- unknownMultiple vulnerabilities in Python (August 19, 2026)cert-fr-avis · 2026-08-19
- unknownCVE-2026-15806: The HTTPPasswordMgr class in the urllib.request module, along with its subclasses HTTPPassword…nvd · 2026-08-18
External references
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[](https://www.csirts.com/cve/CVE-2026-15806)