CVE-2026-52860highCWE-94

CVE-2026-52860: high-severity vulnerability in vim

Vim: Arbitrary Code Execution via Python Omni-Completion

Published · Updated

Follow this CVE+ Monitor vim+ Monitor vim

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 0.2%
Vim is an open source, command line text editor. Prior to version 9.2.0597, Vim's Python omni-completion executes reconstructed function and class definitions from the current buffer with exec() as part of populating the completion dictionary. Python evaluates function default values, parameter annotations, and class base expressions at definition time, so a hostile buffer can execute attacker-controlled Python expressions during omni-completion. The existing g:pythoncomplete_allow_import mitigation (GHSA-52mc-rq6p-rc7c) does not cover this path, because the attacker-controlled code is not a harvested import/from statement. This issue has been patched in version 9.2.0597.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
vim · vim
Related CVEs — vim

In the same product, most dangerous first.

CVE-2025-27423HIGHImproper Input Validation in VimEPSS 22.5%CVE-2026-28417MEDIUMVim has OS Command Injection in netrwEPSS 1.4%CVE-2026-44656MEDIUMVim: OS Command Injection via 'path' completionEPSS 0.9%CVE-2025-53906MEDIUMVim has path traversal issue with zip.vim and special crafted zip archivesEPSS 0.9%CVE-2026-33412MEDIUMVim affected by Command injection via newline in glob()EPSS 0.9%CVE-2026-42307MEDIUMVim: OS Command Injection in netrwEPSS 0.8%