TI-2026-21486 Aliases CVE-2026-27012 GHSA-247v-7cw6-q57v

Unauthenticated privilege escalation in OpenSTAManager via modules/utenti/actions.php

HIGH 82CWE-306Published 2026-03-03 · Updated 2026-03-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-306.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00598 48th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
devcode-it	openstamanager	up to 2.9.8	—	No fix listed	CNA
—	devcode-it/openstamanager (Packagist)	up to 2.9.8	—	No fix listed	GHSA-247v-7cw6-q57v

openstamanager Vendordevcode-it Affected up to 2.9.8 Fixed in — No fix listed CNA
devcode-it/openstamanager (Packagist) Vendor— Affected up to 2.9.8 Fixed in — No fix listed GHSA-247v-7cw6-q57v

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:devcode:openstamanager::::::::	up to 2.9.8	Vulnerable	devcode-it

cpe:2.3:a:devcode:openstamanager:*:*:*:*:*:*:*:* Versions up to 2.9.8 Vulnerable ·devcode-it

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-27012
2026-10-03 Alias added: GHSA-247v-7cw6-q57v
2026-10-25 EPSS moved to the below the 50th percentile

References

Exploit 1

https://github.com/devcode-it/openstamanager/security/advisories/GHSA-247v-7cw6-q57v

Other 1

https://github.com/devcode-it/openstamanager

TI-2026-19686 OpenSTAManager has an SQL Injection in the Prima Nota module CVSS 4.0HIGH 8.7
TI-2026-27600 OpenSTAManager has a SQL Injection via righe Parameter in confronta_righe Modals CVSS 3.1HIGH 8.8
TI-2026-27322 OpenSTAManager: SQL Injection via Aggiornamenti Module CVSS 3.1HIGH 8.8
TI-2026-22999 OpenSTAManager: Time-Based Blind SQL Injection via `options[stato]` Parameter CVSS 3.1HIGH 8.8
TI-2026-19685 OpenSTAManager has an SQL Injection vulnerability in the Scadenzario bulk operations module CVSS 4.0HIGH 8.7
TI-2026-19684 OpenSTAManager has a Time-Based Blind SQL Injection with Amplified Denial of Service CVSS 4.0HIGH 8.7

See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences