CVE-2026-45819
baseline-browser-mapping Denial of Service Vulnerability
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.
INFO
Published Date :
Aug. 13, 2026, 12:17 p.m.
Last Modified :
Aug. 13, 2026, 12:17 p.m.
Remotely Exploit :
Yes !
Source :
22e2d327-25fe-45d7-9f0c-dcd23b7108df
Affected Products
The following products are affected by CVE-2026-45819
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | 22e2d327-25fe-45d7-9f0c-dcd23b7108df | ||||
| CVSS 4.0 | MEDIUM | 22e2d327-25fe-45d7-9f0c-dcd23b7108df |
Solution
- Update baseline-browser-mapping to version 2.11.0 or later.
- Implement proper error handling for input parameters.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-45819.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-45819 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-45819
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-45819 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-45819 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 22e2d327-25fe-45d7-9f0c-dcd23b7108df
Aug. 13, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'web-platform-dx', 'product': 'baseline-browser-mapping', 'versions': [{'status': 'affected', 'version': '2.0.0', 'lessThan': '2.11.0', 'versionType': 'semver'}], 'platforms': ['Linux', 'macOS', 'Windows'], 'defaultStatus': 'unaffected'}] Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:D/RE:M/U:Amber Added CWE CWE-705 Added CWE CWE-755 Added Reference https://github.com/web-platform-dx/baseline-browser-mapping/blob/b7881aa61c8a057e24468ab5ee18c5ecedbbf691/src/index.ts#L142 Added Reference https://github.com/web-platform-dx/baseline-browser-mapping/pull/137/changes#diff-7ae45ad102eab3b6d7e7896acd08c427a9b25b346470d7bc6507b6481575d519 Added Reference https://www.npmjs.com/package/baseline-browser-mapping