RCE in Mborne @Mborne/extract
CVE-2026-110639
@mborne/extract before 0.2.1 contains an OS command injection vulnerability that allows attackers to execute commands by supplying shell metacharacters in archivePath or targetDir options. Attackers controlling these values passed to extract() can inject commands into unquoted shelljs exec() strings in the unzip, 7z, tar-bz2 and gz extractors, running them with Node.js process privileges.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/mborne/node-extract/pull/8 (issue-tracking, patch)
- github.com/mborne/node-extract/commit/585e5b29657379e73c04f6f950ea8dc5319f8ae1 (patch)
- github.com/mborne/node-extract/releases/tag/v0.2.1 (release-notes)
- github.com/mborne/node-extract/blob/v0.2.0/src/extractor/unzip.js (technical-description)
- www.vulncheck.com/advisories/mborne-extract-before-0.2.1-os-command-injection-v… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-110639?
- CVE-2026-110639 is a critical-severity vulnerability in Mborne @Mborne/extract, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-10-14.
- How severe is CVE-2026-110639?
- Critical severity. CVSS v3 base score is 9.8 out of 10.