OpenText Advanced Authentication Server up to 6.4.3.8/6.5.0.10/6.6.1.0 privileges management

Summaryinfo

A vulnerability was found in OpenText Advanced Authentication Server up to 6.4.3.8/6.5.0.10/6.6.1.0. It has been declared as very critical. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to privileges management. This vulnerability is registered as CVE-2026-112256. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in OpenText Advanced Authentication Server up to 6.4.3.8/6.5.0.10/6.6.1.0. It has been declared as very critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at docs.microfocus.com. This vulnerability was named CVE-2026-112256 since 10/19/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/29/2026). The MITRE ATT&CK project declares the attack technique as T1068.

It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• OpenText

Name

• Advanced Authentication Server

Version

• 6.4.3.0
• 6.4.3.1
• 6.4.3.2
• 6.4.3.3
• 6.4.3.4
• 6.4.3.5
• 6.4.3.6
• 6.4.3.7
• 6.4.3.8
• 6.5.0.0
• 6.5.0.1
• 6.5.0.2
• 6.5.0.3
• 6.5.0.4
• 6.5.0.5
• 6.5.0.6
• 6.5.0.7
• 6.5.0.8
• 6.5.0.9
• 6.5.0.10
• 6.6.0
• 6.6.1.0

License

• commercial

CPE 2.3info

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CPE 2.2info

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