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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-90989

Tainacan < 1.4.0 - Subscriber+ Repository Staff Email Address Disclosure via Reports REST EndpointsCVE-2026-90989

Answer in brief

CVE-2026-90989 records a Unknown severity vulnerability in Tainacan < 1.4.0 - Subscriber+ Repository Staff Email Address Disclosure via Reports REST Endpoints. The current sources do not mark it as known exploited. The current feed maps Unknown/Tainacan (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 14, 2026Updated Oct 14, 2026Source checked Oct 14, 2026First seen by HOL Oct 14, 2026Material review Oct 14, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Unknown/Tainacan (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Unknown/Tainacangeneric>=0 <1.4.01.4.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Unknown/Tainacan.
  2. 2Review the reported fix. Update Unknown/Tainacan to 1.4.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 14, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 14, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 14, 2026

Sources and claim methodology

  • Source referencewpscan.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Appointment Booking Plugin <= 5.7.3 - Authenticated (Subscriber+) Sensitive Information Exposure in 'first_name' Parameter Template Re-expansionAlso CWE-200
  • Unauthorised disclosure of information on Copart’s online billing serviceAlso CWE-200
  • AWP Classifieds < 4.4.9 - Unauthenticated Listing Contact Email Disclosure via Place Ad PageAlso CWE-200
  • PeproDev Branches Map <= 3.0.1 - Authenticated (Contributor+) Stored Cross-Site ScriptingSame generic ecosystem
  • Appointment Booking Plugin <= 5.7.2 - Unauthenticated Authentication Bypass to Customer Account Takeover via Insufficient Verification in create_wp_user_for_customer() username_exists FallbackSame generic ecosystem
  • Gstreamer1-plugins-bad-free: gstreamer1-plugins-bad-free: heap out-of-bounds write in asfmux due to incorrect utf-16 size calculation for non-bmp charactersSame generic ecosystem

Record context

Vulnerability class
Arbitrary File Read
EPSS
Not reported
CWE IDs
CWE-200
Source
CVE List V5
Source checked
Oct 14, 2026
References
1 linked source
Open source record