CVE-2019-7644
N/A
Published: April 11, 2019 at 07:44 PM UTC
Updated: June 17, 2026 at 02:40 AM UTC
1 product affected across 1 vendorAUTH0 Wcf Service Jwt
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Severity
N/A
Exploit prediction
EPSS 2%
Description
Auth0 Auth0-WCF-Service-JWT before 1.0.4 leaks the expected JWT signature in an error message when it cannot successfully validate the JWT signature. If this error message is presented to an attacker, they can forge an arbitrary JWT token that will be accepted by the vulnerable application.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.0.4
Affected range stops below 1.0.4, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://auth0.com/docs/security/bulletins/cve-2019-7644Quick Info
StatusMODIFIED
CWE
CWE-209
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