CVE-2026-16053 Path Traversal
Authenticated attackers can exploit a path traversal flaw in the Exchange Online backup module to read arbitrary files.
- 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-2026-16053?
CVE-2026-16053 is a high-severity path traversal vulnerability in Zohocorp ManageEngine M365 Manager Plus, published on 11 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Zohocorp ManageEngine M365 Manager Plus and M365 Security Plus versions below 4820 are affected to Authenticated Path Traversal vulnerability in Exchange Online backup module.
Weakness: CWE-23
Which versions are affected by CVE-2026-16053?
How do I fix CVE-2026-16053?
No fix has been published for CVE-2026-16053 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-16053 being exploited?
There is no known exploitation of CVE-2026-16053 in the wild and no public exploit code.
Sources
Also known as GHSA-pr9p-8j6v-r9pp.