RCE in Neovim
CVE-2026-11487
A flaw has been found in Neovim up to 0.12.2. Affected by this issue is the function M.read of the file runtime/lua/vim/secure.lua of the component View Branch. Executing a manipulation of the argument path can lead to command injection. It is possible to launch the attack on the local host. The exploit has been published and may be used. This patch is called f83e0dcaf8cf18de94828341b0a1a61a86c75baf. A patch should be applied to remediate this issue.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.009 (59.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Neovim — versions 0.12.0, 0.12.1, 0.12.2
Weakness classification (CWE)
References
- github.com/neovim/neovim/ (product)
- github.com/neovim/neovim/commit/f83e0dcaf8cf18de94828341b0a1a61a86c75baf (patch)
- github.com/neovim/neovim/issues/39914 (issue-tracking, exploit)
- github.com/neovim/neovim/pull/39918 (issue-tracking, patch)
- vuldb.com/cve/CVE-2026-11487 (third-party-advisory)
- vuldb.com/submit/834495 (third-party-advisory)
- vuldb.com/vuln/369107 (technical-description, vdb-entry)
- vuldb.com/vuln/369107/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-11487?
- CVE-2026-11487 is a medium-severity vulnerability in Neovim, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 5.3/10. Published 2026-06-08.
- How severe is CVE-2026-11487?
- Medium severity. CVSS v3 base score is 5.3 out of 10.