What is CVE-2026-34914?

CVE-2026-34914 is a high-severity vulnerability in Revive Adserver, classified under SQL Injection. CVSS score: 8.3/10. Published 2026-06-23.

How severe is CVE-2026-34914?

High severity. CVSS v3 base score is 8.3 out of 10.

SQL Injection in Revive Adserver

CVE-2026-34914

A missing sanitisation of user input in the zone-include.php script of Revive Adserver 6.0.6 and earlier. A low‑privileged user could exploit the clientid parameter to perform blind SQL injection attacks. Input sanitisation has been improved to ensure that all parameters processed by the script are properly validated.

Vulnerability class: SQL Injection

EPSS: 0.004 (32.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H.

Affected products

Revive Adserver — versions 0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

support@hackerone.com

Frequently asked questions

What is CVE-2026-34914?: CVE-2026-34914 is a high-severity vulnerability in Revive Adserver, classified under SQL Injection. CVSS score: 8.3/10. Published 2026-06-23.
How severe is CVE-2026-34914?: High severity. CVSS v3 base score is 8.3 out of 10.