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CVE-2026-112256
Logon bypass (trust of attacker-controlled completed-methods list)
Critical9.2EPSS 0.24%
- Published
- Updated
- Reserved
- Assigned by
- OpenText
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| OpenTextCNA (assigner) | 4.0 | Critical9.2 | 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 |
| NVDNVD · Awaiting Analysis | 4.0 | Critical9.2 | 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:C/RE:M/U:Red |
- EPSS (exploitation in 30 days)
- 0.24% · top 84% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.2.
Weakness
Affected products
OpenText · Advanced Authentication Server
- affected 6.4.0.0 – ≤ 6.4.3.8
- affected 6.5.0.0 – ≤ 6.5.0.10
- affected 6.6.0.0 – ≤ 6.6.1.0
References (4)
- https://docs.microfocus.com/doc/42/26.3.1/security-improvements-662 (opens in a new tab)release-notes
- https://docs.microfocus.com/doc/2582/26.3.1/security-improvements-662 (opens in a new tab)release-notes
- https://docs.microfocus.com/doc/42/6.4.3.9/security-improvements-6439 (opens in a new tab)
- https://docs.microfocus.com/doc/42/6.5.0.11/security-improvements-65011 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-112256)Record last updated .