Auth0 Auth0.js up to 10.2.x auth0.js Authorize maxAge improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k1.06-

Summaryinfo

A vulnerability classified as critical was found in Auth0 Auth0.js up to 10.2.x. This issue affects the function Authorize of the file auth0.js. Executing a manipulation of the argument maxAge can lead to improper authorization. This vulnerability is registered as CVE-2026-107371. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Auth0 Auth0.js up to 10.2.x and classified as critical. This vulnerability affects the function Authorize of the file auth0.js. The manipulation of the argument maxAge with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

When the authorize() method is called with a maxAge parameter, the auth0.js library does not validate the auth_time claim in the resulting ID token against the requested maxAge value. As a result, an application may process an ID token that represents an authentication event older than the requested maximum age.

The advisory is shared for download at trust.okta.com. This vulnerability was named CVE-2026-107371 since 10/07/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1548.002.

Upgrading to version 10.3.0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.4
CNA Vector (Okta): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Auth0.js 10.3.0

Timelineinfo

10/07/2026 CVE reserved
10/13/2026 +6 days Advisory disclosed
10/13/2026 +0 days VulDB entry created
10/13/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: trust.okta.com
Status: Confirmed

CVE: CVE-2026-107371 (🔒)
GCVE (CVE): GCVE-0-2026-107371
GCVE (VulDB): GCVE-100-418180

Entryinfo

Created: 10/13/2026 22:44
Changes: 10/13/2026 22:44 (66)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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