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

4.8MEDIUM

Key Information:

Status
Neovim
Vendor
CVE Published:
8 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is 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.

Affected Version(s)

Neovim 0.12.0

Neovim 0.12.1

Neovim 0.12.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-11487 - Proof of Concept

References

https://vuldb.com/vuln/369107
vdb-entrytechnical-description
https://vuldb.com/vuln/369107/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-11487
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

NanHang (VulDB User)
.