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PatchSiren cyber security CVE debrief

CVE-2026-48881 themetechmount CVE debrief

CVE-2026-48881 is a critical vulnerability in the TrueBooker plugin, affecting versions <= 1.1.9. The vulnerability is caused by unauthenticated broken access control, which allows attackers to bypass access controls. The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 9.1, indicating a critical severity level. The vulnerability was published on [cve-org] and additional details can be found on [nvd].

Vendor
themetechmount
Product
TrueBooker
CVSS
CRITICAL 9.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Users of TrueBooker plugin versions <= 1.1.9 should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability has a CVSS vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N and is classified under CWE-862.

Defensive priority

critical

Recommended defensive actions

  • Update TrueBooker plugin to a version greater than 1.1.9.
  • Refer to [ref-4] for mitigation or vendor reference.

Evidence notes

Evidence for this CVE can be found on [source-item].

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48881 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48881

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

  • CVE-2026-48881 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48881

    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.