CVE-2026-51190 | BDVDB-2026-354872 Detail

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References#

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

Exploit#

No public exploit known

History#

Version 12026-08-03Record published in the CVE List.
Version 22026-08-06Most recent update recorded in the CVE List.

Published

Published: 2026-08-03
Last modified: 2026-08-06

Vendor information

Vendor: Not stated
Product: Not stated

Score

9.8 Critical

EPSS

1.8%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 79.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Command Injection

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.8 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).