CVE-2026-42098 Authorization Bypass in Sparx Enterprise Architect
An authenticated attacker can bypass authorization controls by modifying client behavior to impersonate administrators and modify the repository.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-42098?
CVE-2026-42098 is a high-severity authentication bypass vulnerability in Sparx Systems Enterprise Architect, published on 19 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Sparx Enterprise Architect software has a security feature that limits user's actions to those specified in the role. An authenticated attacker can modify the Enterprise Architect client behavior (e.g. using a debugger) and log in as any other user or administrator - then it is possible to do every possible change to the repository.
The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only version 17.1 and below were tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.
Weakness: CWE-603
Which versions are affected by CVE-2026-42098?
How do I fix CVE-2026-42098?
No fix has been published for CVE-2026-42098 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-42098 being exploited?
There is no known exploitation of CVE-2026-42098 in the wild and no public exploit code.
Sources
Also known as GHSA-j7p7-w7pr-mwpc.