{"id":"CVE-2025-62517","aliases":["EUVD-2025-35708","GHSA-xcg2-9pp4-j82x"],"status":"published","title":"Rollbar.js Prototype Pollution Vulnerability in merge()","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":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00393,"percentile":0.33941,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2025-10-23T19:52:15Z","modified":"2026-10-28T02:30:46Z","fixes":[{"ecosystem":"npm","package":"rollbar","fixed_in":["2.26.5","3.0.0-beta5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"rollbar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.26.4"},{"fixed":"2.26.5"}]}]},{"source":"ghsa","ecosystem":"npm","package":"rollbar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0-alpha1"},{"last_affected":"3.0.0-beta4"},{"fixed":"3.0.0-beta5"}]}]},{"source":"osv","ecosystem":"npm","package":"rollbar","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.26.5"}]}]},{"source":"osv","ecosystem":"npm","package":"rollbar","ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0-alpha1"},{"fixed":"3.0.0-beta5"}]}]}],"products":[{"vendor":"rollbar","product":"rollbar.js"}],"references":[{"url":"https://github.com/rollbar/rollbar.js/security/advisories/GHSA-xcg2-9pp4-j82x","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/rollbar/rollbar.js/pull/1390","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/rollbar/rollbar.js/pull/1394","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/rollbar/rollbar.js/commit/61032fe6c208b71e249514800808a54bcb8cb8bb","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/rollbar/rollbar.js/commit/d717def8b68f4a947975d0aebb729869cdb2d343","tags":["x_refsource_MISC","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-62517","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xcg2-9pp4-j82x"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/62xxx/CVE-2025-62517.json","tags":["advisory"]},{"url":"https://github.com/rollbar/rollbar.js","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-62517","title":"Rollbar.js Prototype Pollution Vulnerability in merge()","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.","status":"published","published":"2025-10-23T19:52:15.376Z","modified":"2025-10-23T20:16:08.104Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:32:55.19484Z"}],"euvd":[{"id":"EUVD-2025-35708","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.","status":"published","published":"2025-10-23T19:52:15Z","modified":"2025-10-23T20:16:08Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T19:49:37.862275Z"}],"ghsa":[{"id":"GHSA-xcg2-9pp4-j82x","title":"rollbar vulnerable to Prototype Pollution in merge()","description":"### Impact\n\nPrototype pollution vulnerability in merge(). If application code calls `rollbar.configure()` with untrusted input, prototype pollution is possible.\n\n### Patches\n\nFixed in 2.26.5 and 3.0.0-beta5.\n\n### Workarounds\n\nEnsure that values passed to `rollbar.configure()` do not contain untrusted input.\n\n### References\n\nFixed in https://github.com/rollbar/rollbar.js/pull/1394 (2.26.x) and https://github.com/rollbar/rollbar.js/pull/1390 (3.x)","status":"published","published":"2025-10-23T20:31:30Z","modified":"2025-10-24T19:28:47Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:39:03.380616Z"}],"nvd":[{"id":"CVE-2025-62517","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.","status":"published","published":"2025-10-23T20:15:41.057Z","modified":"2026-10-08T11:10:00.25Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:11:39.579859Z"}],"osv":[{"id":"CVE-2025-62517","title":"Rollbar.js Prototype Pollution Vulnerability in merge()","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.","status":"published","published":"2025-10-23T19:52:15.376Z","modified":"2026-10-28T02:30:46.396708649Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:44:51.851511Z"},{"id":"GHSA-xcg2-9pp4-j82x","title":"rollbar vulnerable to Prototype Pollution in merge()","description":"### Impact\n\nPrototype pollution vulnerability in merge(). If application code calls `rollbar.configure()` with untrusted input, prototype pollution is possible.\n\n### Patches\n\nFixed in 2.26.5 and 3.0.0-beta5.\n\n### Workarounds\n\nEnsure that values passed to `rollbar.configure()` do not contain untrusted input.\n\n### References\n\nFixed in https://github.com/rollbar/rollbar.js/pull/1394 (2.26.x) and https://github.com/rollbar/rollbar.js/pull/1390 (3.x)","status":"published","published":"2025-10-23T20:31:30Z","modified":"2025-10-24T19:28:46Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:59.835583Z"}]}}