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.
Advisories

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Fixes

Solution

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Workaround

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History

Wed, 14 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
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.
Title Gravitee API Management through 4.12.22 Default JWT Secret Authentication Bypass
Weaknesses CWE-1394
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-14T16:09:42.670Z

Reserved: 2026-10-14T13:07:15.883Z

Link: CVE-2020-37281

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-14T15:16:59.370

Modified: 2026-10-14T17:17:34.023

Link: CVE-2020-37281

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses