CVE-2026-28709 Missing authorization in Acronis Cyber Protect 17
Attackers can manipulate resources without proper authorization in Acronis Cyber Protect, requiring an upgrade to the latest build.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-28709?
CVE-2026-28709 is a medium-severity missing authorization vulnerability in Acronis Cyber Protect, published on 5 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Unauthorized resource manipulation due to improper authorization checks. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 41186.
Weakness: CWE-863
Which versions are affected by CVE-2026-28709?
It affects 1 product.
Products include Acronis Cyber Protect.
How do I fix CVE-2026-28709?
No fix has been published for CVE-2026-28709 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-28709 being exploited?
There is no known exploitation of CVE-2026-28709 in the wild and no public exploit code.
Other vulnerabilities in Acronis Cyber Protect
Sources
Also known as GHSA-226g-qx73-56w6.