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PatchSiren cyber security CVE debrief

CVE-2026-103065 Themeum CVE debrief

CVE-2026-103065 Improper Validation of Specified Quantity in Input vulnerability in Themeum Kirki kirki allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Kirki: from n/a through 6.3.1. The vulnerability has a high severity score and defenders should prioritize patching and assessing exposure to prevent potential unauthorized access. The Kirki plugin for WordPress has a vulnerability allowing unauthorized access due to improper validation of input quantities. Defenders should verify and apply patches for Kirki versions up to 6.3.1, assess exposure in their environments, and monitor for potential unauthorized access attempts.

Vendor
Themeum
Product
Kirki
CVSS
HIGH 8.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-03
Original CVE updated
2026-10-03
Advisory published
2026-10-03
Advisory updated
2026-10-03

Who should care

Defenders and administrators using the Kirki plugin for WordPress should assess their exposure and prioritize patching to prevent potential unauthorized access.

Why it matters

CVE-2026-103065 is a high-severity vulnerability in the Kirki plugin for WordPress, allowing unauthorized access. Defenders should prioritize patching and assessing exposure.

  • Potential unauthorized access to functionality not properly constrained by ACLs
  • Need to verify and apply patches for Kirki versions up to 6.3.1
  • Assess exposure in environments using Kirki

Technical summary

The Kirki plugin for WordPress has a vulnerability (CVE-2026-103065) allowing unauthorized access due to improper validation of input quantities. This affects Kirki versions from n/a to 6.3.1. The vulnerability has a high severity score and defenders should prioritize patching and assessing exposure to prevent potential unauthorized access. Defenders should verify and apply patches for Kirki versions up to 6.3.1, assess exposure in their environments, and monitor for potential unauthorized access attempts.

Defensive priority

Defenders should prioritize verifying and applying patches for Kirki versions up to 6.3.1, assessing exposure in their environments, and monitoring for potential unauthorized access attempts.

Recommended defensive actions

  • Verify and apply patches for Kirki versions up to 6.3.1
  • Assess exposure in environments using Kirki
  • Monitor for potential unauthorized access attempts

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but additional information on exploitation or impact is not available. The vulnerability has a CVSS score of 8.2 and is considered high severity. There is no information on known exploitation or ransomware campaign use. Defenders should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-103065 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-103065

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

  • CVE-2026-103065 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-103065

    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.