High 7.8Published Jun 11, 2026

CVE-2026-52860Vim is an open source, command line text editor.

Updated under an hour ago (2026-10-19 08:50 UTC)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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: 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-94
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Sep 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

vim vim vim:vim	before 9.2.0597	NVD

References

https://github.com/vim/vim/commit/c8c63673bc4253212820626aeeb75999d9a539d2patch
https://github.com/vim/vim/releases/tag/v9.2.0597product
https://github.com/vim/vim/security/advisories/GHSA-52mc-rq6p-rc7cmitigation, vendor-advisory
https://github.com/vim/vim/security/advisories/GHSA-65p9-mwwx-7468vendor-advisory
https://access.redhat.com/security/cve/CVE-2026-52860
https://bugzilla.redhat.com/show_bug.cgi?id=2487987
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52860.json

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.