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PatchSiren cyber security CVE debrief

CVE-2026-39689 eShipper CVE debrief

A Missing Authorization vulnerability was discovered in eShipper Commerce, affecting versions from n/a through 2.16.12. This issue allows for Exploiting Incorrectly Configured Access Control Security Levels, with a CVSS score of 5.3 and a MEDIUM severity rating. The vulnerability's CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L, indicating a network attack vector with low attack complexity and no required privileges or user interaction. The vulnerability's impact is limited to availability, with no impact on confidentiality or integrity. Users of eShipper Commerce, especially those using versions up to 2.16.12, should be aware of this vulnerability and take necessary actions to secure their installations. Given the MEDIUM severity and potential for exploitation, securing eShipper Commerce installations should be prioritized.

Vendor
eShipper
Product
eShipper Commerce
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-08
Original CVE updated
2026-07-24
Advisory published
2026-04-08
Advisory updated
2026-07-24

Who should care

Users of eShipper Commerce, especially those using versions up to 2.16.12, should be aware of this vulnerability and take necessary actions to secure their installations.

Technical summary

The CVE-2026-39689 vulnerability is characterized by a Missing Authorization issue in eShipper Commerce. The vulnerability's CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L, indicating a network attack vector with low attack complexity and no required privileges or user interaction. The vulnerability's impact is limited to availability, with no impact on confidentiality or integrity.

Defensive priority

Given the MEDIUM severity and potential for exploitation, securing eShipper Commerce installations should be prioritized.

Recommended defensive actions

  • Inventory and verify the version of eShipper Commerce in use.
  • Apply the necessary patches or updates to address the vulnerability.
  • Implement compensating controls, such as monitoring and access restrictions, if patching is not immediately feasible.
  • Review and adjust access control configurations to prevent exploitation of incorrectly configured security levels.

Evidence notes

The CVE record was published on 2026-04-08T09:16:40.937Z and last modified on 2026-07-24T20:10:00.147Z. The NVD entry is currently Deferred. The source item URL for CVE-2026-39689 provides additional context. Official CVE record for CVE-2026-39689 and NVD detail page for CVE-2026-39689 provide CVSS score and vector. Mitigation or vendor reference for CVE-2026-39689 offers guidance on patching. Defenders should verify the affected scope, severity, and vendor guidance, and review compensating controls for exposed systems while remediation is scheduled and verified.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-39689 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-39689

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

  • CVE-2026-39689 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-39689

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

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.