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PatchSiren cyber security CVE debrief

CVE-2026-54835 Rustaurius CVE debrief

CVE-2026-54835 is a HIGH severity vulnerability (CVSS Score: 7.5) in the Five Star Restaurant Menu plugin, version 2.5.2 or earlier. The vulnerability is caused by Unauthenticated Broken Access Control. The CVE was published on 2026-06-26 and modified on 2026-06-29. The vulnerability allows attackers to perform unauthorized actions. Users should update to a patched version as soon as possible. Additional information can be found in the official CVE record and NVD details.

Vendor
Rustaurius
Product
Five Star Restaurant Menu
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-26
Original CVE updated
2026-06-29
Advisory published
2026-06-26
Advisory updated
2026-06-29

Who should care

Administrators and users of the Five Star Restaurant Menu plugin, version 2.5.2 or earlier, should be aware of this vulnerability. This vulnerability can allow attackers to perform unauthorized actions, potentially leading to security breaches. Users should prioritize updating to a patched version.

Technical summary

CVE-2026-54835 is a HIGH severity vulnerability (CVSS Score: 7.5) caused by Unauthenticated Broken Access Control in the Five Star Restaurant Menu plugin, version 2.5.2 or earlier. The vulnerability has been assigned a CVSS vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. The CWE associated with this vulnerability is CWE-862. The CVE was published on 2026-06-26 and modified on 2026-06-29.

Defensive priority

High priority should be given to updating the Five Star Restaurant Menu plugin to a patched version. Administrators should ensure that the plugin version is updated as soon as possible to prevent potential security breaches.

Recommended defensive actions

  • Update the Five Star Restaurant Menu plugin to a patched version.
  • Review and monitor plugin updates and patches.
  • Implement additional security measures to detect and prevent unauthorized actions.

Evidence notes

The CVE-2026-54835 vulnerability was reported by Patchstack and recorded in the NVD database. The vulnerability has a HIGH severity score and is caused by Unauthenticated Broken Access Control in the Five Star Restaurant Menu plugin. The CVE record and NVD details provide additional information on this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-54835 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-54835

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

  • CVE-2026-54835 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-54835

    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.