CVE-2026-45819

State: Published
Severity: 6.6 Medium
Published: Aug 13, 2026
Updated: Aug 13, 2026
Reserved: May 13, 2026

Description

baseline-browser-mapping 2.x before 2.11.0 calls process.exit() instead of throwing on invalid or conflicting input parameters, and can trigger immediate process termination, causing denial of service.

Scores

CVSS	Score	Vector	Source
4.0	6.6 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/S:N/AU:Y/R:U/V:D/RE:M/U:Amber	seal

Weaknesses

CWE-705 Incorrect Control Flow Scoping
CWE-755 Improper Handling of Exceptional Conditions

Affected Products

Product	Versions
baseline-browser-mappingweb-platform-dx	2.0.0 to before 2.11.0Affected

References

https://github.com/web-platform-dx/baseline-browser-mapping/blob/b7881aa61c8a057e24468ab5ee18c5ecedbbf691/src/index.ts#L142
https://www.npmjs.com/package/baseline-browser-mapping
Fix in 2.11.0: replace process.exit() with thrown errors (PR #137)patch

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