Logon bypass (trust of attacker-controlled completed-methods list)
CVSS score
9.2
EPSS probability
—
Risk score
0.9
Published
2 h ago
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
1
Source agreement
Tam uyum
Evidence confidence
%55
Short explanation
CVE-2026-112256 is a logon bypass vulnerability affecting OpenText Advanced Authentication Server, allowing access to functionality not properly constrained by ACLs. The issue arises from accepting extraneous untrusted data alongside trusted data.
This critical vulnerability allows attackers to bypass authentication mechanisms and access sensitive functionality. The patch status cannot be definitively confirmed from official sources at this time.
What should be done?
- Monitor vendor advisories and documentation
- Apply updates when available
Chain of evidence and sources
CVE-2026-112256 zafiyeti, OpenText Advanced Authentication Server yazılımında oturum atlatmaya yol açar.
Bu güvenlik açığı 6.4.0.0 - 6.4.3.8, 6.5.0.0 - 6.5.0.10 ve 6.6.0.0 - 6.6.1.0 sürüm aralıklarını etkiler.
Show the technical text from the sources
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 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
CWE: CWE-349
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-112256 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | OpenText | Advanced Authentication Server | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 9.2 | CVSS V4_0 | CRITICAL | 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 | CVE CNA |
| 9.2 | CVSS V40 | CRITICAL | 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 | NVD |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-112256 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-112256 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
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