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Vulnerability · Published Jun 8, 2026 · Assigned by VulDB

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

Medium 5.3

In plain English

A medium-severity command injection in Neovim. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)1.0%top 36.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13neovimno fix listedDEBIAN-CVE-2026-11487
Debian:14neovim0.12.3-1DEBIAN-CVE-2026-11487
Ubuntu:22.04:LTSneovimno fix listedUBUNTU-CVE-2026-11487
Ubuntu:24.04:LTSneovimno fix listedUBUNTU-CVE-2026-11487
Ubuntu:25.10neovimno fix listedUBUNTU-CVE-2026-11487
Ubuntu:26.04:LTSneovimno fix listedUBUNTU-CVE-2026-11487
Ubuntu:26.10neovimno fix listedUBUNTU-CVE-2026-11487

Affected products (as reported)

VendorProductVersions
n/a Neovim 0.12.00.12.10.12.2

Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

References