CVE-2026-21439
CVE-2026-21439 · badkeys vulnerable to ASCII control character injection on console via malformed input
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
badkeys is a tool and library for checking cryptographic public keys for known vulnerabilities. In versions 0.0.15 and below, an attacker may inject content with ASCII control characters like vertical tabs, ANSI escape sequences, etc., that can create misleading output of the badkeys command-line tool. This impacts scanning DKIM keys (both --dkim and --dkim-dns), SSH keys (--ssh-lines mode), and filenames in various modes. This issue is fixed in version 0.0.16.
CVSS 2.0 · Faible · EPSS 0,3% · Correctif disponible
- Publication
- Mise à jour
Pile logicielle: python
Produits et versions concernés
Sources originales
- https://github.com/badkeys/badkeys/security/advisories/GHSA-wjpc-4f29-83h3
- https://github.com/badkeys/badkeys/issues/40
- https://github.com/badkeys/badkeys/commit/635a2f3b1b50a895d8b09ec8629efc06189f349a
- https://github.com/badkeys/badkeys/commit/de631f69f040974bb5fb442cdab9a1d904c64087
- https://nvd.nist.gov/vuln/detail/CVE-2026-21439