CVE-2026-112256

Logon bypass (trust of attacker-controlled completed-methods list)

Published Oct 29, 2026 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
Description
Acceptance of extraneous untrusted data with trusted data vulnerability in OpenText Advanced Authentication Server allows Accessing Functionality Not Properly Constrained by ACLs.

This issue affects Advanced Authentication Server: from 6.4.0.0 through 6.4.3.8, from 6.5.0.0 through 6.5.0.10, and from 6.6.0.0 through 6.6.1.0.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Acceptance of extraneous untrusted data with trusted data vulnerability in OpenText Advanced Authentication Server allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Advanced Authentication Server: from 6.4.0.0 through 6.4.3.8, from 6.5.0.0 through 6.5.0.10, and from 6.6.0.0 through 6.6.1.0.
Title Logon bypass (trust of attacker-controlled completed-methods list)
First Time appeared Opentext
Opentext advanced Authentication Server
Weaknesses CWE-349
CPEs cpe:2.3:a:opentext:advanced_authentication_server:*:*:*:*:*:*:*:*
Vendors & Products Opentext
Opentext advanced Authentication Server
References
Metrics cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:P/AU:Y/V:C/RE:M/U:Red'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
OpenText
Published
Updated
Nov 5, 2026, 9:19 PM
Reserved
Oct 19, 2026, 12:58 PM
Status
Awaiting Analysis
Published
Oct 29, 2026, 4:17 PM
Modified
Nov 5, 2026, 10:17 PM