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CVE-2026-11878— Reflected Cross-Site Scripting vulnerability in OpenText Access Manager

Quick assessment

Affected
OpenText Access Manager
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenText Access Manager是加拿大OpenText公司的一个访问管理软件。 OpenText Access Manager 5.1及之前版本存在跨站脚本漏洞，该漏洞源于网页生成过程中输入中和不当，可能导致跨站脚本攻击。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.22% · P11

Affected Version Matrix 1

VendorProduct Version RangeStatus
OpenText Access Manager 5.1≤ 5.1.2 affected
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I. Basic Information for CVE-2026-11878

Vulnerability Information
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Vulnerability Title
Reflected Cross-Site Scripting vulnerability in OpenText Access Manager
Source: CVE Program / CVE List V5
Vulnerability Description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in OpenText Access Manager allows Cross-Site Scripting (XSS). This issue affects Access Manager: from 5.1 through 5.1.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
OpenText Access Manager 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenText Access Manager是加拿大OpenText公司的一个访问管理软件。 OpenText Access Manager 5.1及之前版本存在跨站脚本漏洞，该漏洞源于网页生成过程中输入中和不当，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenText Access Manager 5.1 ~ 5.1.2 -

II. Public POCs for CVE-2026-11878

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III. Intelligence Information for CVE-2026-11878

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Vendor Advisories for CVE-2026-11878 (1)

IV. Related Vulnerabilities

Same product: Access Manager
Same vendor: OpenText
Same weakness: CWE-79

V. Comments for CVE-2026-11878

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