CVE-2026-87794
CVSS v3
8.4
HIGH
EPSS Score
0.3 %
exploit probability, as of 2026-09-28
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
bestzip versions 2.2.6 and 3.0.2 contain an argument injection vulnerability in the nativeZip function that allows attackers to inject arbitrary arguments to the Info-ZIP backend. Attackers can supply a malicious destination path combined with crafted source entries to execute arbitrary commands with Node.js process privileges. Fixed in 2.2.7 and 3.0.3.
Technical details
- Published
- 2026-09-09
- Last Modified
- 2026-09-10
Frequently asked questions
What is CVE-2026-87794?
bestzip versions 2.2.6 and 3.0.2 contain an argument injection vulnerability in the nativeZip function that allows attackers to inject arbitrary arguments to the Info-ZIP backend. Attackers can supply a malicious destination path combined with crafted source entries to execute arbitrary commands with Node.js process privileges. Fixed in 2.2.7 and 3.0.3.
Is CVE-2026-87794 actively exploited?
Active exploitation of CVE-2026-87794 has not been confirmed. Its EPSS score was 0.3% on 2026-09-28, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-87794?
CVE-2026-87794 has a CVSS v3 base score of 8.4 (HIGH severity).
Is CVE-2026-87794 affecting your environment?
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