CVE-2026-16981Network attack vector

Unauthenticated shipping-label disclosure via unchecked download endpoint

Published Aug 5, 2026 · Updated Aug 5, 2026

Broken access control in DHL Shipping Germany for WooCommerce before 4.0.1 allows remote attackers to download stored shipping labels. The waybill download endpoint accepts sequential label identifiers without checking login state, capability, nonce, or order ownership. Any network client that can reach the WordPress site can enumerate identifiers and read customers' full names, postal addresses, and order references.

CVSS severityUnavailable
Unscored
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Broken access control in DHL Shipping Germany for WooCommerce before 4.0.1 allows remote attackers to download stored shipping labels. The waybill download endpoint accepts sequential label identifiers without checking login state, capability, nonce, or order ownership. Any network client that can reach the WordPress site can enumerate identifiers and read customers' full names, postal addresses, and order references.

The record

CVE
CVE-2026-16981
Published
Aug 5, 2026
Updated
Aug 5, 2026
Vendor
Deutsche Post & DHL
Product
DHL Shipping Germany for WooCommerce
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 5, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 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 <4.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Deutsche Post & DHL · DHL Shipping Germany for WooCommerceversion=0 <4.0.1

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.

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

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1190Exploit Public-Facing Application

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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