Low, CVSS 2.0PyPIAmendedPublished
badkeys vulnerable to ASCII control character injection on console via malformed input
CVE-2026-21439 · GHSA-wjpc-4f29-83h3
- Affected
- PyPI badkeys <= 0.0.15
- Fixed in
- 0.0.16· Vendor fix available
- Issue
- Impact 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. Patches This has been fixed with the following commits: https://github.com/badkeys/badkeys/commit/de631f69f040974bb5fb442cdab9a1d904c64087 https://github.com/badkeys/badkeys/commit/635a2f3b1b50a895d8b09ec8629efc06189f349a All users should upgrade badkeys to version 0.0.16. Resources https://github.com/badkeys/badkeys/issues/40
Recommended action: Upgrade to 0.0.16 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.