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PatchSiren cyber security CVE debrief

CVE-2026-81781 Unbounce CVE debrief

A Missing Authorization vulnerability exists in Unbounce Landing Pages plugin versions up to 1.1.4. This issue allows attackers to exploit incorrectly configured access control security levels. The vulnerability has a CVSS score of 7.1 and is classified as HIGH severity. Defenders should assess exposure and prioritize verification and updates to prevent potential security breaches. The CVE record and NVD entry provide details on the vulnerability, and defenders should review access control configurations to prevent exploitation.

Vendor
Unbounce
Product
Unbounce Landing Pages
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-08
Original CVE updated
2026-09-08
Advisory published
2026-09-08
Advisory updated
2026-09-08

Who should care

Defenders responsible for Unbounce Landing Pages installations should assess exposure and prioritize verification and updates to prevent potential security breaches.

Why it matters

Defenders should prioritize verifying and updating Unbounce Landing Pages installations to prevent potential security breaches due to the Missing Authorization vulnerability.

  • Verify and update Unbounce Landing Pages installations to prevent potential security breaches
  • Review access control configurations to prevent exploitation
  • Monitor for potential security breaches

Technical summary

The Unbounce Landing Pages plugin has a Missing Authorization vulnerability, which allows attackers to exploit incorrectly configured access control security levels. This issue affects versions up to 1.1.4. The vulnerability has a CVSS score of 7.1 and is classified as HIGH severity. Defenders should prioritize verifying and updating Unbounce Landing Pages installations to prevent potential security breaches. The CVE record and NVD entry provide details on the vulnerability.

Defensive priority

Defenders should prioritize verifying and updating Unbounce Landing Pages installations to prevent potential security breaches.

Recommended defensive actions

  • Verify Unbounce Landing Pages installations and update to a fixed version if available
  • Review access control configurations to prevent exploitation
  • Monitor for potential security breaches

Evidence notes

The vulnerability has a CVSS score of 7.1 and is classified as HIGH severity. The CVE record and NVD entry provide details on the vulnerability. Defenders should verify and update Unbounce Landing Pages installations to prevent potential security breaches. The issue affects Unbounce Landing Pages versions up to 1.1.4, and defenders should review access control configurations to prevent exploitation. The vulnerability allows attackers to exploit incorrectly configured access control

Sources and references

Verified primary and authoritative sources

  • CVE-2026-81781 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-81781

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

  • CVE-2026-81781 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-81781

    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.