CVE-2026-90989
Tainacan < 1.4.0 - Subscriber+ Repository Staff Email Address Disclosure via Reports REST Endpoints
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Tainacan < 1.4.0 - Subscriber+ Repository Staff Email Address Disclosure via Reports REST Endpoints
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.
- Record
CVE-2026-90989- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2026-100861
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.
- Record
EUVD-2026-100861- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wj3w-gf2c-jjrc
The Tainacan WordPress plugin before 1.4.0 does not restrict its reports REST endpoints to users...
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.
- Record
GHSA-wj3w-gf2c-jjrc- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-90989- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-90989 is a medium vulnerability (CVSS 4.3) in Tainacan, published October 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 14th percentile. No source names a fixed version.