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CVE-2025-57325

Duplicate Advisory: rollbar vulnerable to prototype pollution

7.5 HighFix available

rollbar is a package designed to effortlessly track and debug errors in JavaScript applications. This package includes advanced error tracking features and an intuitive interface to help you identify and fix issues more quickly. A Prototype Pollution vulnerability in the utility.set function of rollbar v2.26.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.39%Up 0.4 points since Sep 25, 2025
90%50%10%1%

What each source reports

CVE List Score used 7.5

rollbar is a package designed to effortlessly track and debug errors in JavaScript applications. This package includes advanced error tracking features and an intuitive interface to help you identify and fix issues more quickly. A Prototype Pollution vulnerability in the utility.set function of rollbar v2.26.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Record
CVE-2025-57325
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-1321
Updated
2026-11-02
EUVDEUVD-2025-31060 7.5

rollbar is a package designed to effortlessly track and debug errors in JavaScript applications. This package includes advanced error tracking features and an intuitive interface to help you identify and fix issues more quickly. A Prototype Pollution vulnerability in the utility.set function of rollbar v2.26.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Record
EUVD-2025-31060
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-m929-rg27-gj99 2.9

Duplicate Advisory: rollbar vulnerable to prototype pollution

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-r8c2-2qwq-94p6. This link is maintained to preserve external references.

Original Description

rollbar is a package designed to effortlessly track and debug errors in JavaScript applications. This package includes advanced error tracking features and an intuitive interface to help you identify and fix issues more quickly. A Prototype Pollution vulnerability in the utility.set function of rollbar v2.26.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Record
GHSA-m929-rg27-gj99
CVSS 4.0
2.9 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Weakness
CWE-1321
Updated
2026-11-02
GitHub AdvisoriesGHSA-r8c2-2qwq-94p6 2.9

rollbar vulnerable to prototype pollution

Impact

Prototype pollution potential with the utility function rollbar/src/utility.set(). No impact when using the published public interface.

If application code directly imports set from rollbar/src/utility and then calls set with untrusted input in the second argument, it is vulnerable to prototype pollution.

POC:

const obj = {};
require("rollbar/src/utility").set(obj, "__proto__.polluted", "vulnerable");
console.log({}.polluted !== undefined ? '[POLLUTION_TRIGGERED]':'');

Patches

Fixed in version 2.26.5 and 3.0.0-beta5.

Workarounds

If application code directly imports set from rollbar/src/utility, ensure that the second argument does not receive untrusted input.

References

https://github.com/rollbar/rollbar.js/issues/1333#issuecomment-3353720946

Record
GHSA-r8c2-2qwq-94p6
CVSS 4.0
2.9 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Weakness
CWE-1321
Updated
2026-11-02
NVD 7.5

rollbar is a package designed to effortlessly track and debug errors in JavaScript applications. This package includes advanced error tracking features and an intuitive interface to help you identify and fix issues more quickly. A Prototype Pollution vulnerability in the utility.set function of rollbar v2.26.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Record
CVE-2025-57325
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-1321
Updated
2026-11-02
OSV 7.5

rollbar is a package designed to effortlessly track and debug errors in JavaScript applications. This package includes advanced error tracking features and an intuitive interface to help you identify and fix issues more quickly. A Prototype Pollution vulnerability in the utility.set function of rollbar v2.26.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Record
CVE-2025-57325
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVGHSA-m929-rg27-gj99 2.9

Duplicate Advisory: rollbar vulnerable to prototype pollution

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-r8c2-2qwq-94p6. This link is maintained to preserve external references.

Original Description

rollbar is a package designed to effortlessly track and debug errors in JavaScript applications. This package includes advanced error tracking features and an intuitive interface to help you identify and fix issues more quickly. A Prototype Pollution vulnerability in the utility.set function of rollbar v2.26.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Record
GHSA-m929-rg27-gj99
CVSS 4.0
2.9 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Weakness
CWE-1321
Updated
2026-11-02
OSVGHSA-r8c2-2qwq-94p6 2.9

rollbar vulnerable to prototype pollution

Impact

Prototype pollution potential with the utility function rollbar/src/utility.set(). No impact when using the published public interface.

If application code directly imports set from rollbar/src/utility and then calls set with untrusted input in the second argument, it is vulnerable to prototype pollution.

POC:

const obj = {};
require("rollbar/src/utility").set(obj, "__proto__.polluted", "vulnerable");
console.log({}.polluted !== undefined ? '[POLLUTION_TRIGGERED]':'');

Patches

Fixed in version 2.26.5 and 3.0.0-beta5.

Workarounds

If application code directly imports set from rollbar/src/utility, ensure that the second argument does not receive untrusted input.

References

https://github.com/rollbar/rollbar.js/issues/1333#issuecomment-3353720946

Record
GHSA-r8c2-2qwq-94p6
CVSS 4.0
2.9 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Weakness
CWE-1321
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
rollbar
npm
 through 2.26.4
2.26.5
rollbar
npm
 3.0.0-alpha1 to 3.0.0-beta4
3.0.0-beta5
rollbar
npm
 before 2.26.5
2.26.5
rollbar
npm
 3.0.0-alpha1 up to 3.0.0-beta5
3.0.0-beta5

History

History
RecordedChangedSources
affected
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-57325 is a high vulnerability (CVSS 7.5) in Rollbar, published September 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. Fixed in rollbar 2.26.5.

References

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