CVE-2026-52858: Vim is an open source, command line text editor

Q: How do I fix CVE-2026-52858?

vim: upgrade to 9.2.0561. Exact commands for each OS are on this page.

Q: Is CVE-2026-52858 being exploited?

CVE-2026-52858 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-52858 affect?

CVE-2026-52858 affects vim. Severity is high (CVSS 7.8). 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 +pytho

Routine

HIGH 7.8UPGRADE

CVE-2026-52858 is a high-severity flaw (CVSS 7.8) affecting vim. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 sib

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 90%)
CISA exploited list	No
Weakness	CWE-94, CWE-95, CWE-829
Published	2026-06-11
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: vim

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-11 19:16 UTCPublished CVE record published
2026-06-17 10:57 UTCUpdated Record last modified

vim vim UPGRADE

Affected: < 9.2.0561

Fixed in: 9.2.0561

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy vim || rpm -q vim || vim --version

2. UPGRADE to 9.2.0561 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade vim

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade vim

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-52858?

vim: upgrade to 9.2.0561. Exact commands for each OS are on this page.

Is CVE-2026-52858 being exploited?

CVE-2026-52858 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-52858 affect?

CVE-2026-52858 affects vim. Severity is high (CVSS 7.8). 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 +pytho

How urgent is CVE-2026-52858?

Priority 30/100. High severity

Software pages

Python vulnerabilities · Vim vulnerabilities

Related CVEs

CVE-2026-51400 HIGH 8.4 UPGRADE An issue in Vim Project v9.2.0389 and earlier allows a local attacker to execute arbitrary code via the vms_fi
CVE-2026-51401 HIGH 7.7 UPGRADE An issue in Vim Project v9.2.0389 and earlier allows a local attacker to execute arbitrary code via the vms_fi
CVE-2026-34982 HIGH 8.2 UPGRADE Vim is an open source, command line text editor
CVE-2026-73071 LOW 3.3 UPGRADE Vim is an open source, command line text editor
CVE-2026-73072 HIGH 7.3 UPGRADE Vim is an open source, command line text editor

References

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