Auth bypass in Presenton
CVE-2026-120191
A weakness has been identified in Presenton up to 0.9.11-beta. Affected by this issue is some unknown functionality of the component API. This manipulation causes missing authentication. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.9.12-beta can resolve this issue. Patch name: 44c8a61122b21f17642d717b0c4d6f2c54c0f180. You should upgrade the affected component.
Vulnerability class: Broken Authentication
Published .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Presenton — versions 0.9.11-beta
Weakness classification (CWE)
References
- github.com/presenton/presenton/ (product)
- github.com/presenton/presenton/commit/44c8a61122b21f17642d717b0c4d6f2c54c0f180 (patch)
- github.com/presenton/presenton/issues/972 (issue-tracking, exploit)
- github.com/presenton/presenton/pull/980 (issue-tracking, patch)
- github.com/presenton/presenton/releases/tag/v0.9.12-beta (patch)
- vuldb.com/cve/CVE-2026-120191 (third-party-advisory)
- vuldb.com/submit/1027384 (third-party-advisory)
- vuldb.com/vuln/429530 (vdb-entry)
- vuldb.com/vuln/429530/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-120191?
- CVE-2026-120191 is a high-severity vulnerability in Presenton, classified under Improper Authentication. CVSS score: 7.3/10. Published 2026-11-01.
- How severe is CVE-2026-120191?
- High severity. CVSS v3 base score is 7.3 out of 10.