PT-2026-29096 · Vim+1 · Vim+1
Christian Brabandt
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Published
2026-01-01
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Updated
2026-05-24
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CVE-2026-34714
CVSS v3.1
9.2
Critical
| Vector | AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L |
Name of the Vulnerable Software and Affected Versions: Vim versions prior to 9.2.0272.
Description: Vim versions prior to 9.2.0272 contain a flaw that allows for code execution upon opening a crafted file in the default configuration. This is due to a
%{expr} injection occurring within the tabpanel when it lacks P MLE. Reports indicate that attackers are actively exploiting this vulnerability (CVE-2026-34714) to achieve Remote Code Execution (RCE) through malicious %{expr} injections in crafted files. The vulnerability was discovered by Claude AI. There have been real-world incidents of exploitation, with attackers achieving RCE by simply opening a malicious file. The vulnerability affects the tabpanel component and involves the injection of code through the %{expr} mechanism. The API endpoint is not explicitly mentioned, but the vulnerability is triggered by opening a file with a crafted payload.Recommendations: Update Vim to version 9.2.0272 or newer immediately. Avoid opening files from untrusted sources.
Fix
RCE
OS Command Injection
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Weakness Enumeration
Related Identifiers
Affected Products
Red Os
Vim