CVE-2026-42280
Last modified
CVE-2026-42280 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. Auth0.js is a client-side JavaScript library for Auth0. From 8.11.0 to 9.32.0, under specific preconditions, the Auth0.js SDK may improperly return user profile information using a valid access token when a specifically crafted invalid ID token is provided. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
Description
Auth0.js is a client-side JavaScript library for Auth0. From 8.11.0 to 9.32.0, under specific preconditions, the Auth0.js SDK may improperly return user profile information using a valid access token when a specifically crafted invalid ID token is provided. This vulnerability is fixed in 10.0.0.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Auth0 | Auth0.Js | >= 8.11.0, < 10.0.0 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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