vim (vms_fixfilename): Mehrere Schwachstellen ermöglichen Denial of Service
WID-SEC-2026-2654 · first 05.08.2026 · updated 05.08.2026 · CVSS 6,2
What it is about
Vim (Vi IMproved) ist eine Weiterentwicklung des Texteditors vi. Ein lokaler Angreifer kann mehrere Schwachstellen in vim ausnutzen, um einen Denial of Service Angriff durchzuführen.
Under what conditions?
Only with access to the device or an account on it. Often the second step after a phishing email.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Denial of Service Angriff durchzuführen
Am I affected?
Affected according to the BSI:
- Open Source vim <=v9.2.0389
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
According to the BSI there is no update yet. The vendor notices below name interim protective measures, if any.
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- Security Advisory for CVE-2026-51400 & CVE-2026-51401 vom 2026-08-04 gist.github.com
- GitHub Advisory Database vom 2026-08-04 github.com
- GitHub Advisory Database vom 2026-08-04 github.com
- EU Vulnerability Database vom 2026-08-04 euvd.enisa.europa.eu
- EU Vulnerability Database vom 2026-08-04 euvd.enisa.europa.eu
CVE: CVE-2026-51400, CVE-2026-51401
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.