CVE-2025-62517 – Rollbar.js Prototype Pollution Vulnerability in merge()

CVE ID : CVE-2025-62517

Published : Oct. 23, 2025, 8:15 p.m. | 27 minutes ago

Description : Rollbar.js offers error tracking and logging from Javascript to Rollbar. In versions before 2.26.5 and from 3.0.0-alpha1 to before 3.0.0-beta5, there is a prototype pollution vulnerability in merge(). If application code calls rollbar.configure() with untrusted input, prototype pollution is possible. This issue has been fixed in versions 2.26.5 and 3.0.0-beta5. A workaround involves ensuring that values passed to rollbar.configure() do not contain untrusted input.

Severity: 5.9 | MEDIUM

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