# CERT-FR Flags Unspecified CPython Vulnerability

Published: 2026-09-14 · Severity: routine · Sectors: technology
Canonical: https://vorant.io/reports/eb8c6a3a-2893-5973-95c0-4af8a40be5ce/cert-fr-flags-unspecified-cpython-vulnerability

> CERT-FR issued an advisory for a CPython vulnerability (CVE-2026-87910) with no details disclosed by the vendor; patch to the latest release.

CERT-FR published a brief advisory referencing a security vulnerability in CPython, the reference implementation of the Python programming language. The advisory does not specify the nature of the security impact (e.g., remote code execution, denial of service, information disclosure) as the vendor has not detailed it publicly. Affected systems are those running CPython without the latest security patch as referenced in the official Python security announcement dated September 11, 2026.

No indicators of compromise, exploitation in the wild, or technical exploitation details are provided in this bulletin. Defenders should consult the linked Python security-announce mailing list thread and the CVE record (CVE-2026-87910) for further technical details as they become available, and apply the vendor-supplied patch to affected CPython installations as the primary mitigation.

## Mentioned in this report

- Vulnerabilities: CVE-2026-87910

Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1167

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