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Vulnerability · Published Apr 17, 2026 · Assigned by NCSC-FI

CVE-2025-15622Sparx Enterprise Architect Client reveals plaintext OAuth2 client secret

Medium 6.2

In plain English

A medium-severity security flaw in Sparx Enterprise Architect from Sparx Systems Pty Ltd.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 4.0)6.2Medium
Exploit odds (30 days)0.2%top 95.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Sparx Systems Pty Ltd. Sparx Enterprise Architect 16.1.1627

Weakness: CWE-522 · 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

References