What’s Vulnerable › Vulnerabilities
CVE-2026-90989: Tainacan < 1.4.0 - Subscriber+ Repository Staff Email Address Disclosure via Reports REST Endpoints
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-14 · updated 2026-10-15
- Weakness: CWE-200
Description
The Tainacan WordPress plugin before 1.4.0 does not restrict its reports REST endpoints to users with a management capability, allowing any authenticated subscriber to read the email addresses of the repository's staff.
Affected products
- Tainacan: before 1.4.0 — fixed in 1.4.0
How to fix
Upgrade to a fixed version: Tainacan 1.4.0. Check the vendor advisory for mitigations.
References
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