CVE-2026-34915 SQL injection in Adserver
A low-privileged user can perform blind SQL injection via the clientid parameter in Revive Adserver due to missing input sanitization.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-34915?
CVE-2026-34915 is a medium-severity SQL injection vulnerability in Revive Adserver, published on 23 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A missing sanitisation of user input in the zone-include.php script of Revive Adserver 6.0.6 and earlier could allow a low‑privileged user to 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.
Weakness: CWE-79
Which versions are affected by CVE-2026-34915?
How do I fix CVE-2026-34915?
No fix has been published for CVE-2026-34915 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-34915 being exploited?
There is no known exploitation of CVE-2026-34915 in the wild and no public exploit code.
Sources
Also known as GHSA-372x-3mph-3rvp.