CVE-2026-33388 Incorrect authorization in Credentials Manager in Guardian/CMC before 26.3.0
Authenticated users with limited privileges can delete or edit credential entries, disrupting authentication for dependent devices.
- 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-2026-33388?
CVE-2026-33388 is a medium-severity missing authorization vulnerability in Nozomi Networks CMC, published on 8 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An access control vulnerability was discovered in the Credentials Manager functionality due to insufficient validation of user privileges. A remote authenticated user with limited privileges can view a limited subset of the available entries in the Credentials Manager. The actual credential values are not directly visible, but the user can delete entries or edit their properties. An attacker who deletes or edits an entry can disrupt authentication for dependent devices, and one who manipulates an entry's configuration may be able to indirectly obtain the credentials.
Weakness: CWE-863
Which versions are affected by CVE-2026-33388?
How do I fix CVE-2026-33388?
No fix has been published for CVE-2026-33388 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-2026-33388 being exploited?
There is no known exploitation of CVE-2026-33388 in the wild and no public exploit code.
Sources
Also known as GHSA-6rjw-mcjc-47ch.