Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-mgj8-uc4s-ebby
Vulnerability ID VCID-mgj8-uc4s-ebby
Aliases CVE-2026-27012
GHSA-247v-7cw6-q57v
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.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-306 Missing Authentication for Critical Function
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00046 https://api.first.org/data/v1/epss?cve=CVE-2026-27012
epss 0.00046 https://api.first.org/data/v1/epss?cve=CVE-2026-27012
epss 0.00046 https://api.first.org/data/v1/epss?cve=CVE-2026-27012
cvssv3.1_qr CRITICAL https://github.com/advisories/GHSA-247v-7cw6-q57v
cvssv3.1 9.8 https://github.com/devcode-it/openstamanager
generic_textual CRITICAL https://github.com/devcode-it/openstamanager
cvssv3.1 9.8 https://github.com/devcode-it/openstamanager/security/advisories/GHSA-247v-7cw6-q57v
cvssv3.1_qr CRITICAL https://github.com/devcode-it/openstamanager/security/advisories/GHSA-247v-7cw6-q57v
generic_textual CRITICAL https://github.com/devcode-it/openstamanager/security/advisories/GHSA-247v-7cw6-q57v
ssvc Track* https://github.com/devcode-it/openstamanager/security/advisories/GHSA-247v-7cw6-q57v
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-27012
CVE-2026-27012 https://nvd.nist.gov/vuln/detail/CVE-2026-27012
GHSA-247v-7cw6-q57v https://github.com/advisories/GHSA-247v-7cw6-q57v
GHSA-247v-7cw6-q57v https://github.com/devcode-it/openstamanager/security/advisories/GHSA-247v-7cw6-q57v
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/devcode-it/openstamanager
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/devcode-it/openstamanager/security/advisories/GHSA-247v-7cw6-q57v
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:Y/T:T/P:M/B:A/M:M/D:R/2026-03-04T21:21:23Z/ Found at https://github.com/devcode-it/openstamanager/security/advisories/GHSA-247v-7cw6-q57v
Exploit Prediction Scoring System (EPSS)
Percentile 0.14591
EPSS Score 0.00046
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:50:59.279096+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/27xxx/CVE-2026-27012.json 38.6.0