Critical severityNVD Advisory· Published Mar 3, 2026· Updated Mar 4, 2026
Unauthenticated privilege escalation in OpenSTAManager via modules/utenti/actions.php
CVE-2026-27012
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
devcode-it/openstamanagerPackagist | <= 2.9.8 | — |
Affected products
2- Range: <= 2.9.8
Patches
Vulnerability mechanics
References
2- github.com/advisories/GHSA-247v-7cw6-q57vghsaADVISORY
- github.com/devcode-it/openstamanager/security/advisories/GHSA-247v-7cw6-q57vghsax_refsource_CONFIRMWEB
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