What is CVE-2026-27012?

CVE-2026-27012 is a critical-severity vulnerability in Devcode-it Openstamanager, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-03-03.

How severe is CVE-2026-27012?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Devcode-it Openstamanager

CVE-2026-27012

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…

Vulnerability class: Broken Authentication

EPSS: 0.000 (14.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Devcode-it Openstamanager — versions <= 2.9.8

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

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

Frequently asked questions

What is CVE-2026-27012?: CVE-2026-27012 is a critical-severity vulnerability in Devcode-it Openstamanager, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-03-03.
How severe is CVE-2026-27012?: Critical severity. CVSS v3 base score is 9.8 out of 10.