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PatchSiren cyber security CVE debrief

CVE-2026-59555 Roland Barker CVE debrief

CVE-2026-59555 is a critical unauthenticated arbitrary file deletion vulnerability in Participants Database plugin versions <= 2.7.8.3. The CVE record was published on 2026-07-23T12:18:33.803Z and has not been modified since then. The NVD entry is currently Deferred.

Vendor
Roland Barker
Product
Participants Database
CVSS
CRITICAL 10
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-23
Original CVE updated
2026-10-24
Advisory published
2026-07-23
Advisory updated
2026-10-24

Who should care

Defenders responsible for systems using the Participants Database plugin should assess potential exposure and impact, and prioritize verifying and patching vulnerable systems.

Why it matters

CVE-2026-59555 is a critical unauthenticated arbitrary file deletion vulnerability in Participants Database plugin versions <= 2.7.8.3, requiring immediate attention from defenders responsible for systems using the plugin.

  • Verify and patch vulnerable Participants Database plugin versions to prevent potential exploitation.
  • Assess potential impact on systems using the vulnerable plugin version.
  • Monitor for potential exploitation attempts.

Technical summary

CVE-2026-59555 is a critical unauthenticated arbitrary file deletion vulnerability in Participants Database plugin versions <= 2.7.8.3. The vulnerability has a CVSS score of 10 and is considered critical.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact, focusing on systems using the vulnerable plugin version.

Recommended defensive actions

  • Verify if the Participants Database plugin version is <= 2.7.8.3 and update to a patched version if necessary.
  • Assess potential impact on systems using the vulnerable plugin version.
  • Monitor for potential exploitation attempts.

Evidence notes

The vulnerability has a CVSS score of 10 and is considered critical. The CVE record and NVD detail page provide official information on the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-59555 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-59555

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

  • CVE-2026-59555 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-59555

    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.