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CVE-2026-54222 UBB Systems CVE debrief

CVE-2026-54222 is a high-severity Blind SQL Injection vulnerability in UBB.threads, allowing attackers with access to the Members in Control Panel to interact with the underlying database. Due to insufficient input sanitization, an attacker can extract sensitive information, such as user credentials, by manipulating SQL queries through time-based or boolean-based techniques. The vulnerability has been confirmed in version 7.7.5 but may also affect other versions. Organizations using UBB.threads should prioritize patching to prevent potential data breaches. The CVSS score for this vulnerability is 8.6, indicating a high level of severity. Successful exploitation could lead to unauthorized access to sensitive data.

Vendor
UBB Systems
Product
UBB.threads
CVSS
HIGH 8.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-18
Original CVE updated
2026-06-18
Advisory published
2026-06-18
Advisory updated
2026-06-18

Who should care

Administrators and security teams responsible for UBB.threads installations, particularly those with access to the Members in Control Panel, should be aware of this vulnerability. Additionally, users with sensitive information stored in the UBB.threads database should prioritize patching to prevent potential data breaches.

Technical summary

The CVE-2026-54222 vulnerability is caused by insufficient input sanitization in UBB.threads, allowing attackers to inject malicious SQL queries. This Blind SQL Injection vulnerability enables attackers to extract sensitive information, such as user credentials, by manipulating SQL queries through time-based or boolean-based techniques. The vulnerability has a CVSS score of 8.6 and is considered high-severity. The affected product is UBB.threads, and the vulnerability has been confirmed in version 7.7.5.

Defensive priority

high

Recommended defensive actions

  • Apply the latest patch or update for UBB.threads to version 7.7.5 or later.
  • Implement robust input validation and sanitization for user input.
  • Use prepared statements with parameterized queries to prevent SQL injection.
  • Limit access to the Members in Control Panel to authorized personnel only.
  • Monitor database activity for suspicious queries and implement logging and auditing.
  • Consider using a Web Application Firewall (WAF) to detect and prevent SQL injection attacks.

Evidence notes

The vulnerability was confirmed in UBB.threads version 7.7.5. However, due to unsuccessful vendor contact attempts, it is unclear if other versions are affected. The CVE record and NVD detail provide additional information on the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-54222 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-54222

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

  • CVE-2026-54222 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-54222

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

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.