CVE-2026-28718 Denial of service in Acronis Cyber Protect 17
Attackers can cause denial of service in Acronis Cyber Protect via insufficient input validation in authentication logging.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-28718?
CVE-2026-28718 is a medium-severity denial of service vulnerability in Acronis Cyber Protect, published on 5 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Denial of service due to insufficient input validation in authentication logging. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 41186.
Weakness: CWE-779
Which versions are affected by CVE-2026-28718?
It affects 1 product.
Products include Acronis Cyber Protect.
How do I fix CVE-2026-28718?
No fix has been published for CVE-2026-28718 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-28718 being exploited?
There is no known exploitation of CVE-2026-28718 in the wild and no public exploit code.
Other vulnerabilities in Acronis Cyber Protect
Sources
Also known as GHSA-7fqq-633v-44rr.