CVE-2022-39227 is a critical authentication bypass vulnerability (CWE-290) affecting python-jwt versions prior to 3.3.4, allowing attackers to arbitrarily forge JWT contents without a secret key. This can lead to identity spoofing, session hijacking, or authentication bypass. With a CVSS score of 9.1 (CRITICAL), the vulnerability is easily exploitable over the network with low attack complexity and no user interaction, resulting in high confidentiality and integrity impacts. While there is no evidence of active exploitation, public exploit code, or significant community discussion, immediate upgrade to version 3.3.4 is recommended as there are no known workarounds.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.0.0, < 3.3.4CPE matchmatch criteria | cpe:2.3:a:python-jwt_project:python-jwt:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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