CVE-2026-5758
Medium
Description
JavaScript is vulnerable to prototype pollution in Mafintosh's protocol-buffers-schema Version 3.6.0, where an attacker may alter the application logic, bypass security checks, cause a DoS or achieve remote code execution.
SeverityMedium
CVSS6.5
Exploit probability—
ProductProtocol-buffers-schema
PublishedApr 15, 2026
First seenApr 15, 2026
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- protocol-buffers-schema3.6.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| protocol-buffers-schemanpm | v < 3.6.1 | 3.6.1 |
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