Python Vulnerability CVE-2026-3298 Advisory
Summary
CERT-FR published advisory CERTFR-2026-AVI-0474 on 22 April 2026 disclosing an unspecified security vulnerability in Python affecting all installations without the latest security patch. The vulnerability, tracked as CVE-2026-3298, allows an attacker to cause a non-specified security issue according to the editor's bulletin. Affected parties are advised to refer to Python's security bulletin KWTPIQBOOOUNQP7UFSLBI437NJDFLA3F for remediation guidance and patch availability.
“Une vulnérabilité a été découverte dans Python. Elle permet à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.”
Organizations running Python in production or embedded applications should treat this advisory as requiring immediate inventory of Python versions in use. While the specific risk is described as unspecified by the editor, the reference to CVE-2026-3298 indicates this is a tracked vulnerability in the National Vulnerability Database — security teams should monitor for patch availability and apply updates as they become available through the Python security-announce mailing list.
About this source
GovPing monitors CERT-FR Security Advisories for new data privacy & cybersecurity regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 183 changes logged to date.
What changed
CERT-FR issued a security advisory notifying of an unspecified vulnerability in Python (CVE-2026-3298). The vulnerability allows an attacker to provoke a non-specified security issue. Systems running Python without the latest security patch are affected. The advisory references the official Python security bulletin for patch information.
Organizations using Python in production environments should immediately identify which Python versions are deployed across their infrastructure and apply the relevant security patches once released. IT security teams should monitor the Python security announce mailing list for updates and verify patch availability through the referenced bulletin.
What to do next
- Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs
Archived snapshot
Apr 22, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Premier Ministre S.G.D.S.N
Agence nationale
de la sécurité des
systèmes d'information
Paris, le 22 avril 2026 N° CERTFR-2026-AVI-0474 Affaire suivie par: CERT-FR
Avis du CERT-FR
Objet: Vulnérabilité dans Python
Gestion du document
| Référence | CERTFR-2026-AVI-0474 |
| Titre | Vulnérabilité dans Python |
| Date de la première version | 22 avril 2026 |
| Date de la dernière version | 22 avril 2026 |
| Source(s) | Bulletin de sécurité Python KWTPIQBOOOUNQP7UFSLBI437NJDFLA3F du 21 avril 2026 |
Une gestion de version détaillée se trouve à la fin de ce document.
Risque
- Non spécifié par l'éditeur
Systèmes affectés
- Python sans le dernier correctif de sécurité
Résumé
Une vulnérabilité a été découverte dans Python. Elle permet à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Documentation
- Bulletin de sécurité Python KWTPIQBOOOUNQP7UFSLBI437NJDFLA3F du 21 avril 2026
- https://mail.python.org/archives/list/security-announce@python.org/thread/KWTPIQBOOOUNQP7UFSLBI437NJDFLA3F/
- Référence CVE CVE-2026-3298
- https://www.cve.org/CVERecord?id=CVE-2026-3298
Gestion détaillée du document
- le 22 avril 2026 Version initiale
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