GitHub Advisoryadvisory · npm
GHSA-xcg2-9pp4-j82x rollbar vulnerable to Prototype Pollution in merge()
MEDIUM
Official page ↗
- Aliases
- CVE-2025-62517
- Ecosystem
- npm
- Packages
- rollbar
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-1321
- Reviewed
- 2025-10-23
Affected packages
• npm rollbar: < 2.26.5 → fixed in 2.26.5
• npm rollbar: >= 3.0.0-alpha1, < 3.0.0-beta5 → fixed in 3.0.0-beta5
Description
Impact
Prototype pollution vulnerability in merge(). If application code calls `rollbar.configure()` with untrusted input, prototype pollution is possible.
Patches
Fixed in 2.26.5 and 3.0.0-beta5.
Workarounds
Ensure that values passed to `rollbar.configure()` do not contain untrusted input.
References
Fixed in https://github.com/rollbar/rollbar.js/pull/1394 (2.26.x) and https://github.com/rollbar/rollbar.js/pull/1390 (3.x)
Related
Alias · CVE (1)
- CVE-2025-62517 Rollbar.js offers error tracking and logging from Javascript to Rollbar. vulnerability
Weakness · CWE (1)
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes weakness
References
- https://github.com/rollbar/rollbar.js/security/advisories/GHSA-xcg2-9pp4-j82x web
- https://nvd.nist.gov/vuln/detail/CVE-2025-62517 advisory
- https://github.com/rollbar/rollbar.js/pull/1390 web
- https://github.com/rollbar/rollbar.js/pull/1394 web
- https://github.com/rollbar/rollbar.js/commit/61032fe6c208b71e249514800808a54bcb8cb8bb web
- https://github.com/rollbar/rollbar.js/commit/d717def8b68f4a947975d0aebb729869cdb2d343 web
- https://github.com/rollbar/rollbar.js package