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.
Published: 2026-10-29
Score: 9.2 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 06 Nov 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 29 Oct 2026 15:45:00 +0000

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'}


Subscriptions

Opentext Advanced Authentication Server
cve-icon MITRE

Status: PUBLISHED

Assigner: OpenText

Published:

Updated: 2026-11-05T21:19:48.182Z

Reserved: 2026-10-19T12:58:32.736Z

Link: CVE-2026-112256

cve-icon Vulnrichment

Updated: 2026-11-05T21:19:44.339Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-29T16:17:58.390

Modified: 2026-11-05T22:17:46.143

Link: CVE-2026-112256

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-29T17:45:17Z

Weaknesses