CVE Explorer
CVE-2026-42280
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"auth0.js","vendor":"auth0","versions":[{"status":"affected","version":">= 8.11.0 , <= 9.32.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:ba65e8989259bc4b043e027ed9b87bdb1734e175b94da194015b63841db89193 · sha256:88542b1a9fdf0f58… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:ba65e8989259bc4b043e027ed9b87bdb1734e175b94da194015b63841db89193 · sha256:88542b1a9fdf0f58… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:ba65e8989259bc4b043e027ed9b87bdb1734e175b94da194015b63841db89193 · sha256:88542b1a9fdf0f58… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/auth0/auth0.js/security/advisories/GHSA-8qjv-jj2q-x832","tags":["x_refsource_CONFIRM"],"url":"https://github.com/auth0/auth0.js/security/advisories/GHSA-8qjv-jj2q-x832"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:ba65e8989259bc4b043e027ed9b87bdb1734e175b94da194015b63841db89193 · sha256:88542b1a9fdf0f58… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.