CVE-2026-11877

HIGH

Published Jun 24, 2026 Modified Jun 29, 2026 CWE-648

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.

CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS — Exploit Prediction

0.0018

Probability of exploitation

0.07%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-648 CWE-648

Affected Products

Vendor	Product	Versions
microfocus	access_manager	5.0 — 5.1
microfocus	access_manager	All
microfocus	access_manager	All

References

Advisories & Patches

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

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-11877? +

CVE-2026-11877 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0018, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-11877? +

CVE-2026-11877 affects products from microfocus, specifically: access_manager. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-11877? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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