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CVE-2026-52858

Vim: Arbitrary Code Execution via Python Omni-Completion

Published: Jun 11, 2026Updated: Jun 15, 2026 Sources: CVE List NVDCWE-94
NVD MITRE
7.8CVSSHIGH
EPSS Score
0.2%
Top 89.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Vim is an open source, command line text editor. Prior to version 9.2.0561, the Python omni-completion script in python3complete.vim for Vim with the +python3 interpreter enabled (and the legacy pythoncomplete.vim for builds with the +python interpreter) executes the import and from statements found in the current buffer through Python's import machinery. Because the buffer's working directory is on sys.path, opening a hostile .py file with a sibling Python package and invoking omni-completion runs that package's top-level code as the editing user. This issue has been patched in version 9.2.0561.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-94CWE-95CWE-829

Affected Products

vimvim
On-premDesktop App
Consumer Software / file-utility
vimoss-projectConsumer Softwareaka vi, vim/vim, gvim

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

3 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/vim/vim/security/advisories/GHSA-52mc-rq6p-rc7c
github.com
https://github.com/vim/vim/commit/4b850457e12e1a678dd209f2868154f7553cbf8d
github.com
https://github.com/vim/vim/releases/tag/v9.2.0561
github.com

Timeline

Published
Jun 11, 2026
Last Updated
Jun 15, 2026

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