# CVE-2026-45819

## Summary

- **CVE ID:** CVE-2026-45819
- **Severity:** MEDIUM
- **CVSS Score:** 6.6 (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)
- **CWE:** CWE-705, CWE-755
- **Published:** Aug 13, 2026
- **Last Modified:** Aug 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.

## Affected Products

- web-platform-dx — baseline-browser-mapping (2.0.0)

## References

- [CNA](https://github.com/web-platform-dx/baseline-browser-mapping/blob/b7881aa61c8a057e24468ab5ee18c5ecedbbf691/src/index.ts#L142)
- [CNA](https://www.npmjs.com/package/baseline-browser-mapping)
- [CNA](https://github.com/web-platform-dx/baseline-browser-mapping/pull/137/changes#diff-7ae45ad102eab3b6d7e7896acd08c427a9b25b346470d7bc6507b6481575d519)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.37%
- **EPSS Percentile:** 30.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._