CVE-2026-27012
Critical
Description
OpenSTAManager is an open source management software for technical assistance and invoicing. In 2.9.8 and earlier, a privilege escalation and authentication bypass vulnerability in OpenSTAManager allows any attacker to arbitrarily change a user's group (idgruppo) by directly calling modules/utenti/actions.php. This can promote an existing account (e.g. agent) into the Amministratori group as well as demote any user including existing administrators.
SeverityCritical
CVSS9.8
Exploit probability—
ProductDevcode Openstamanager
PublishedMar 3, 2026
First seenMar 3, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| devcode openstamanager | v ≤ 2.9.8 | — |
| devcode-it/openstamanagerPackagist | v ≤ 2.9.8 | — |
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