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PatchSiren cyber security CVE debrief

CVE-2026-48011 shopware CVE debrief

CVE-2026-48011 is a low-severity vulnerability in Shopware, a popular open commerce platform. The issue, with a CVSS score of 3.7, allows an attacker to enumerate the usernames of administrator users by performing a timing attack. This vulnerability was published on June 10, 2026, and modified on June 11, 2026. The attack requires no privileges (PR:N) and has a low impact on confidentiality (C:L). The vulnerability was fixed in versions 6.6.10.18 and 6.7.10.1 of Shopware.

Vendor
shopware
Product
Unknown
CVSS
LOW 3.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-10
Original CVE updated
2026-06-11
Advisory published
2026-06-10
Advisory updated
2026-06-11

Who should care

Administrators and users of Shopware versions prior to 6.6.10.18 and 6.7.10.1 should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability is caused by an insecure implementation of user authentication in Shopware. An attacker can exploit this vulnerability by performing a timing attack to enumerate administrator usernames.

Defensive priority

Low

Recommended defensive actions

  • Upgrade to Shopware version 6.6.10.18 or 6.7.10.1 or later.
  • Implement additional security measures to prevent timing attacks, such as rate limiting and IP blocking.

Evidence notes

The vulnerability was reported by an unknown source and fixed by the Shopware development team. The CVE record was published on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-48011).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48011 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48011

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-48011 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48011

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.