Vulnerability Description
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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- 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
FAQ
What is CVE-2026-43961?
CVE-2026-43961 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 Vi...
How severe is CVE-2026-43961?
CVE-2026-43961 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-43961?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.