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VulnerabilityPublished Updated

CVE-2026-51401: vim · CVE-2026-51401 is a high-severity

Affects vimSource CVE Database V5

0

Not known to be exploited · CVSS 7.7 High.

Data as of 26 Oct 2026, 09:16 UTC

CVSS 3.1 base score
7.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
GitHubvim/vimpkg:github/vim/vimOther threatsAffected
  • <=9.2.0389
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Until an official fix is available, restrict local access to trusted users only and monitor for suspicious activity related to Vim usage. Avoid running untrusted code or scripts that could trigger this vulnerability.

Description

CVE-2026-51401 is a high-severity vulnerability in Vim Project versions 9.2.0389 and earlier. It allows a local attacker to execute arbitrary code via the vms_fixfilename() function in the source file vim/src/os_vms.c. The vulnerability is related to improper handling of input that leads to code execution without requiring user interaction or privileges. No official patch or remediation details are currently available.

References

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