CVE-2026-8590 Spotfire OAuth2 PKCE Bypass for public clients
Attackers can bypass OAuth2 PKCE security controls for public clients in Spotfire Enterprise server modules.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-8590?
CVE-2026-8590 is a high-severity authentication bypass vulnerability in Spotfire Enterprise, published on 14 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Vulnerability in Spotfire Spotfire Enterprise (Spotfire Server modules), Spotfire Spotfire Enterprise with External Consumers (Spotfire Server modules), Spotfire Spotfire on Kubernetes (Spotfire Server modules).
This issue affects Spotfire Enterprise: through 14.0.12, through 14.4.2, through 14.5.0, through 14.6.1, through 14.6.2, through 14.7.0, through 14.8.0; Spotfire Enterprise with External Consumers: through 14.0.12, through 14.5.0, through 14.6.0, through 14.6.1, through 14.6.2, through 14.7.0, through 14.8.0; Spotfire on Kubernetes: through 4.2.0, 5.0.X, 6.0.X.
Which versions are affected by CVE-2026-8590?
How do I fix CVE-2026-8590?
No fix has been published for CVE-2026-8590 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-2026-8590 being exploited?
There is no known exploitation of CVE-2026-8590 in the wild and no public exploit code.
Sources
Also known as GHSA-q55h-7282-gq6q.