CVE-2021-29451

CriticalCVSS 9.1/10Last modified Jun 17, 2026

Description

Portofino is an open source web development framework. Portofino before version 5.2.1 did not properly verify the signature of JSON Web Tokens. This allows forging a valid JWT. The issue will be patched in the upcoming 5.2.1 release.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 16, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-29451: Critical severity, CVSS 9.1 | Vulnix