CVE-2020-37281
High
Description
Gravitee API Management through 4.12.22 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to impersonate any user by forging JWTs signed with the shipped default jwt.secret. Attackers knowing an existing user ID can sign an HS256 token with that subject and present it as a bearer token to the Management API, impersonating administrators to gain full platform control.
SeverityHigh
CVSS8.1
Exploit probability—
ProductGravitee API Management
PublishedOct 14, 2026
First seenOct 14, 2026
Weakness typeCWE-1394CWE-1394
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Gravitee Gravitee API Management | v ≤ 4.12.22 | — |
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