CVE-2026-12859 IDOR in Caz Informatics' Advancity ALMS Cloud
Attackers can access restricted functionality in Advancity ALMS Cloud due to missing authorization checks, potentially reading or modifying data.
- 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-2026-12859?
CVE-2026-12859 is a medium-severity missing authorization vulnerability in Caz Informatics Services Trade Inc. Advancity ALMS Cloud, published on 8 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Missing Authorization vulnerability in Caz Informatics Services Trade Inc. Advancity ALMS Cloud allows Accessing Functionality Not Properly Constrained by ACLs.
This issue affects Advancity ALMS Cloud: through 2026-10-08. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-862
Which versions are affected by CVE-2026-12859?
How do I fix CVE-2026-12859?
No fix has been published for CVE-2026-12859 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-2026-12859 being exploited?
There is no known exploitation of CVE-2026-12859 in the wild and no public exploit code.
Sources
Also known as GHSA-27h6-vpmh-cv9q.