CVE-2026-86789Network attack vector

Unauthenticated directory-entry disclosure via unchecked REST reads

Published Sep 30, 2026 · Updated Sep 30, 2026

Improper access control in Connections Business Directory through 10.4.67 lets remote attackers read non-public entries through REST API requests. Some cn-api/v1 entry read routes return records without applying entry visibility and pending-moderation restrictions. An exposed WordPress REST API and restricted directory entries are required; returned data includes names, biographies, notes, and street addresses.

CVSS severityUnavailable
Unscored
EPSS probability0.21%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Connections Business Directory through 10.4.67 lets remote attackers read non-public entries through REST API requests. Some cn-api/v1 entry read routes return records without applying entry visibility and pending-moderation restrictions. An exposed WordPress REST API and restricted directory entries are required; returned data includes names, biographies, notes, and street addresses.

The record

CVE
CVE-2026-86789
Published
Sep 30, 2026
Updated
Sep 30, 2026
Vendor
Steven A. Zahm
Product
Connections Business Directory
Classifications
T1213
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 30, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 30, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=10.4.67

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Steven A. Zahm · Connections Business Directoryversion=0 <=10.4.67

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1213Data from Information Repositories

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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