CVE-2021-29451

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CVSS 3.1

9.1 critical

EPSS

<1%p59

Published

Apr 16, 2021 (Apr 16, 2021)

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.

Vendors: manydesigns
Products: portofino
Weakness: CWE-347
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.9%)

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