Vulnerability · Published Jun 24, 2026 · Assigned by OpenText
CVE-2026-11877Missing Authorization Vulnerability in OpenText Access Manager
Medium 6.3
In plain English
A medium-severity security flaw in Access Manager from OpenText. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Severity (CVSS 4.0)6.3Medium
Exploit odds (30 days)0.3%top 76.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An unauthorized user can modify configuration through API calls that affects the OpenText Access Manager. This issue affects Access Manager before 5.1.3.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OpenText | Access Manager | 5.1 – through 5.1.2 |
Weakness: CWE-648 · Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N