CVE-2026-66692Network attack vector

Authenticated data disclosure via undisclosed IDOR

Published Aug 6, 2026 · Updated Aug 6, 2026

Authorization bypass in Colissimo shipping methods for WooCommerce 2.10.0 and earlier allows remote authenticated users to read other users' data. Patchstack identifies a customer-level insecure direct object reference but does not disclose the endpoint, parameter, object type, or missing ownership check. A WooCommerce Customer account is required, and the documented impact is limited to unauthorized data disclosure without modification or service interruption.

CVSS severity4.3
Medium
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in Colissimo shipping methods for WooCommerce 2.10.0 and earlier allows remote authenticated users to read other users' data. Patchstack identifies a customer-level insecure direct object reference but does not disclose the endpoint, parameter, object type, or missing ownership check. A WooCommerce Customer account is required, and the documented impact is limited to unauthorized data disclosure without modification or service interruption.

The record

CVE
CVE-2026-66692
Published
Aug 6, 2026
Updated
Aug 6, 2026
Vendor
Colissimo
Product
Colissimo shipping methods for WooCommerce
Classifications
CWE-639, CAPEC-180
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 6, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 6, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=n/a <=2.10.0 changes=[{"at":"3.0.0","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Colissimo · Colissimo shipping methods for WooCommerceversion=n/a <=2.10.0 changes=[{"at":"3.0.0","status":"unaffected"}]

Published CVSS scores

4.3PatchstackCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

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.

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

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key
CAPEC-180Exploiting Incorrectly Configured Access Control Security Levels

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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Your stack

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