What is CVE-2026-11877?

CVE-2026-11877 is a high-severity vulnerability in Microfocus Access Manager, classified under CWE-648. CVSS score: 7.5/10. Published 2026-06-24.

How severe is CVE-2026-11877?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Microfocus Access Manager

CVE-2026-11877

An unauthorized user can modify configuration through API calls that affects the OpenText Access Manager. This issue affects Access Manager before 5.1.3.

Published 2026-06-24 · last modified 2026-06-29.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Microfocus Access Manager — versions 5.1
Opentext Access Manager — versions 5.1

Weakness classification (CWE)

CWE-648

References

portal.microfocus.com/s/article/KM000047450 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-11877?: CVE-2026-11877 is a high-severity vulnerability in Microfocus Access Manager, classified under CWE-648. CVSS score: 7.5/10. Published 2026-06-24.
How severe is CVE-2026-11877?: High severity. CVSS v3 base score is 7.5 out of 10.