CVE-2026-110639
CRITICAL 9.3@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.
Severe if exploited (CVSS 9.3), but no known exploitation and low modeled probability. Patch on a normal cadence.
Exploitation likelihood
2.7%chance of exploitation in 30 days · 86th percentile
Impact if exploited
9.3CVSS 4.0 · CRITICAL
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityHigh
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ✓Privileges: No account or privileges required
- ✓User interaction: No user interaction needed
- ✓Complexity: No special conditions — reliably repeatable
- ✓Requirements: No special attack requirements
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
Search for new PoCs
Search GitHub now — results may be empty or unverified.
Tracked sources are checked daily for recent CVEs, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.
Data snapshot:
Weakness (CWE)
- CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References and research data (JSON)
All CVSS metrics
- CRITICAL 9.3 v4.0 · CNA Primary
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - CRITICAL 9.8 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CRITICAL 9.3 v4.0 · NVD Secondary
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CRITICAL 9.8 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
Patches & mitigations
- https://github.com/mborne/node-extract/pull/8 CVE record · VulnCheck · Updated 2026-10-14T14:17:10.540Z
NVD · CVE-2026-110639 · Updated 2026-10-16T19:18:44.867 - https://github.com/mborne/node-extract/commit/585e5b29657379e73c04f6f950ea8dc5319f8ae1 CVE record · VulnCheck · Updated 2026-10-14T14:17:10.540Z
NVD · CVE-2026-110639 · Updated 2026-10-16T19:18:44.867 - https://github.com/mborne/node-extract/releases/tag/v0.2.1 CVE record · VulnCheck · Updated 2026-10-14T14:17:10.540Z
NVD · CVE-2026-110639 · Updated 2026-10-16T19:18:44.867
Advisories
- https://www.vulncheck.com/advisories/mborne-extract-before-0.2.1-os-command-injection-via-archivepath-and-targetdir CVE record · VulnCheck · Updated 2026-10-14T14:17:10.540Z
NVD · CVE-2026-110639 · Updated 2026-10-16T19:18:44.867 - https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-101267 EUVD · EUVD-2026-101267
Technical & other
- https://github.com/mborne/node-extract/blob/v0.2.0/src/extractor/unzip.js#L17-L19 CVE record · VulnCheck · Updated 2026-10-14T14:17:10.540Z
NVD · CVE-2026-110639 · Updated 2026-10-16T19:18:44.867