CVE-2026-43961

CVSS 7.8 (high) · published 2026-08-19

A flaw was found in Vim's netrw plugin. A crafted filename containing quote characters and expression fragments can break out of the quoted context during mark/unmark operations, allowing arbitrary Vimscript execution. This can be leveraged to run shell commands with the privileges of the user running Vim.

Weakness: CWE-94

Source: NVD CVE-2026-43961

References

• https://access.redhat.com/errata/RHSA-2026:57614
• https://access.redhat.com/errata/RHSA-2026:98119
• https://access.redhat.com/errata/RHSA-2026:99165
• https://access.redhat.com/errata/RHSA-2026:99166
• https://access.redhat.com/security/cve/CVE-2026-43961
• https://bugzilla.redhat.com/show_bug.cgi?id=2460434
• https://github.com/vim/vim/security/advisories/GHSA-66hr-7p6x-x5j3
• http://www.openwall.com/lists/oss-security/2026/05/14/7

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