@mborne/extract Os Command Injection Flaw (CVE-2026-110639) Rated CVSS 9.3
A newly published critical vulnerability in @mborne/extract carries a CVSS score of 9.3. Here is what is affected and how to respond.
Key points
- CVE-2026-110639 affects @mborne/extract.
- CVSS 9.3 (Critical).
- No exploitation confirmed yet.
@mborne/extract is affected by CVE-2026-110639, a OS command injection that the National Vulnerability Database rates 9.3 out of 10.
At a glance
- CVE
- CVE-2026-110639
- Product
- @mborne/extract
- CVSS
- 9.3 Critical
- Weakness
- OS command injection
- Exploited
- No known exploitation
What is the vulnerability?
The NVD entry states: @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.
Affected versions
| Vendor | Product | Versions |
|---|---|---|
| Mborne | @mborne/extract | before 0.2.1 |
Is it being exploited?
There is no public confirmation of exploitation at the time of publication. It does not appear in CISA's Known Exploited Vulnerabilities catalog. We will update this report if that changes.
What should you do?
- Identify whether the affected product and versions run in your environment.
- Apply the vendor update listed in the advisory as soon as it is available.
- Limit network exposure of the affected service until it is patched.
- Monitor the vendor advisory for updated guidance or exploitation reports.
What to do and how to stay safe: CVE-2026-110639
- Vulnerability severity scores ignore your specific architecture and context.
- Exploitability depends on network exposure and user behavior, not just code flaws.
- Prioritization requires continuous asset inventory and threat intelligence alignment.
Risk-based vulnerability management focuses your limited resources on the flaws that actually threaten your business. Start by mapping your critical assets and checking for active exploits to prioritize your backlog.
Step-by-step guide: Risk-Based Vulnerability Management: Prioritize Fixes by Actual Danger
General security guidance from the Threat Times newsroom. It is not confirmed advice from the organisations named in this story.
Frequently asked questions
What is CVE-2026-110639?
CVE-2026-110639 is a OS command injection vulnerability in @mborne/extract.
How severe is CVE-2026-110639?
It has a CVSS score of 9.3 Critical.
Is CVE-2026-110639 being exploited?
There is no public confirmation of exploitation at the time of publication.
