web-platform-dx baseline-browser-mapping up to 2.10.x src/index.ts process.exit resource consumption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 2.12 |
Summary
A vulnerability was found in web-platform-dx baseline-browser-mapping up to 2.10.x. It has been classified as problematic. The affected element is the function process.exit of the file src/index.ts. Performing a manipulation results in resource consumption.
This vulnerability was named CVE-2026-45819. The attack may be initiated remotely. There is no available exploit.
Details
A vulnerability was found in web-platform-dx baseline-browser-mapping up to 2.10.x. It has been classified as problematic. This affects the function process.exit of the file src/index.ts. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. The summary by CVE is:
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.
The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-45819 since 05/13/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.
Upgrading to version 2.11.0 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-57788). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
Version
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Resource consumptionCWE: CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: baseline-browser-mapping 2.11.0
Timeline
05/13/2026 CVE reserved08/13/2026 Advisory disclosed
08/13/2026 VulDB entry created
08/13/2026 VulDB entry last update
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
CVE: CVE-2026-45819 (🔒)
GCVE (CVE): GCVE-0-2026-45819
GCVE (VulDB): GCVE-100-389373
EUVD: 🔒
Entry
Created: 08/13/2026 13:42Updated: 08/13/2026 14:44
Changes: 08/13/2026 13:42 (56), 08/13/2026 14:44 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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