CVE-2025-15622 PUBLISHED

Sparx Enterprise Architect Client reveals plaintext OAuth2 client secret

Assigner: NCSC-FI
Reserved: 09.04.2026 Published: 17.04.2026 Updated: 17.04.2026

Insufficiently Protected Credentials vulnerability in Sparx Systems Pty Ltd. Sparx Enterprise Architect. Client reveals plaintext OAuth2 client secretDesktop client decodes the secret and uses the plaintext secret to exchange it into an access and id tokens as part of the OpenID authentication flow.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:H/SI:L/SA:N/S:P/AU:Y/V:C/RE:M/U:Red
CVSS Score: 6.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	Low	Confidentiality	High
Attack Complexity	Low	Integrity	Low	Integrity	Low
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Sparx Systems Pty Ltd.
Product	Sparx Enterprise Architect
Versions	Default: unknown Version 16.1.1627 is affected Version 17.1.1714 is unaffected

Solutions

Update to fixed version

Credits

Pasi Orovuo, Solita Oy finder
Henri Hämäläinen, Solita Oy finder
Samu Ahvenainen, Solita Oy finder

References

https://sparxsystems.com/products/ea/17.1/history.html

Problem Types

CWE-522: Insufficiently Protected Credentials CWE