Critical 9.2Published Oct 29, 2026

CVE-2026-112256Logon bypass (trust of attacker-controlled completed-methods list)

Updated under an hour ago (Oct 30, 2026, 5:00 AM ET)

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It affects OpenText Advanced Authentication Server. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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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.

CVSS: 9.2 CRITICAL (v4.0, CNA)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
Weakness (CWE): CWE-349
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: OpenText
NVD analysis: Awaiting Analysis
Record last updated: Oct 29, 2026
First seen by InfoSec Signals: Oct 29, 2026

Affected products

Affected products

OpenText Advanced Authentication Server opentext:advanced_authentication_server (from the name)	from 6.4.0.0 through 6.4.3.8; fixed at 6.4.3.9; from 6.5.0.0 through 6.5.0.10; fixed at 6.5.0.11; from 6.6.0.0 through 6.6.1.0; fixed at 6.6.2.0	CNA record

References

References

https://docs.microfocus.com/doc/42/26.3.1/security-improvements-662	release-notes
https://docs.microfocus.com/doc/2582/26.3.1/security-improvements-662	release-notes
https://docs.microfocus.com/doc/42/6.4.3.9/security-improvements-6439
https://docs.microfocus.com/doc/42/6.5.0.11/security-improvements-65011

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.