Missing validation of JWT signature in `ManyDesigns/Portofino`
Impact
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.
Patches
The issue will be patched in the upcoming 5.2.1 release.
For more information
If you have any questions or comments about this advisory:
- Open an issue in https://github.com/ManyDesigns/Portofino
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | com.manydesigns:portofino-core | >= 5.0.0, < 5.2.1 | 5.2.1 |
| Java / Kotlin (Maven) | com.manydesigns:portofino-dispatcher | >= 5.0.0, < 5.2.1 | 5.2.1 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N- Weakness (CWE)
CWE-347- Platform
- Java / Kotlin (Maven)
- Package
com.manydesigns:portofino-core, com.manydesigns:portofino-dispatcher- Disclosed
- 19.04.2021
- Updated
- 11.10.2026 12:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-6g3c-2mh5-7q6x - CC BY 4.0
Vulnerability history: com.manydesigns:portofino-core
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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