CVE-2026-52858

unknowncovered by 1 sourcefirst seen 2026-06-09

CSIRTS triage

What: There is a vulnerability that allows arbitrary code execution via Python Omni-Completion.
Who is affected: Users of Vim with Python Omni-Completion enabled are affected.
Urgency: Remediation is necessary as it poses a risk of arbitrary code execution.
Action: Update to the latest version of Vim to mitigate this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Low exploitation risk0.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all EPSS-scored CVEs.

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