CVE-2026-90989 json
Tainacan < 1.4.0 - Subscriber+ Repository Staff Email Address Disclosure via Reports REST Endpoints
published 2026-10-14 26 d ago modified 2026-10-15 25 d ago also EUVD-2026-100861
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Unknown Tainacan 1.4.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 25 d ago
Exploit prediction
0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/0b78000b-99ee-4cee-a7e9-369fc8c98093/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected products
- Unknown Tainacan
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
- Technology feeds
References
-
wpscan.com
/vulnerability/0b78000b-99ee-4cee-a7e9-369fc8c98093/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-90989
- NVD CVE-2026-90989
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.