CVE-2026-27012

CRITICAL

OpenSTAManager <2.9.8 - Privilege Escalation

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 9.8
EPSS 0.0003
EPSS Percentile 10.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-306
Status published
Products (2)
devcode/openstamanager < 2.9.8
devcode-it/openstamanager 0Packagist
Published Mar 03, 2026
Tracked Since Mar 04, 2026