Is CVE-2026-11877 in the CISA KEV catalog?

No. CVE-2026-11877 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-11877?

CVE-2026-11877 has a CVSS v4 base score of 6.3 (MEDIUM).

CVE & CISA-KEV Catalog

CVE-2026-11877

MEDIUM

6.3

CVSS v4

NVD

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.

CWE-648

CVSS v4 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

Impact

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/E:X/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:X/R:X/V:X/RE:X/U:X

Exploit Intelligence

EPSS data unavailable for this CVE.

References

https://portal.microfocus.com/s/article/KM000047450

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-24.