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Vulnerability record · CVE-2026-51190 · published 3 August 2026

CVE-2026-51190: OS command injection vulnerability

The "s init" command in Serverless-Devs @serverless-devs/s <= 3.1.11 passes unsanitized user input to child_process.spawn() with shell: true. A URL ending in ".git" bypasses the only input check, allowing OS command injection when a user runs "s init" with an attacker-controlled argument.

9.8 CVSS 3.1 Critical EPSS 1.9% · top 21.4% CWE-78 · OS command injection Deferred
9.8CVSS 3.1 base score
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
9 Sep 2026Last modified by NVD

Description

The "s init" command in Serverless-Devs @serverless-devs/s <= 3.1.11 passes unsanitized user input to child_process.spawn() with shell: true. A URL ending in ".git" bypasses the only input check, allowing OS command injection when a user runs "s init" with an attacker-controlled argument.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://gist.github.com/j311yl0v3u/5600afea3bea1337805c2e335bd4ae8e
https://gist.github.com/j311yl0v3u/5600afea3bea1337805c2e335bd4ae8e

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Source: NIST National Vulnerability Database (record CVE-2026-51190), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.