How severe is CVE-2026-11878?

CVE-2026-11878 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-11878 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-11878?

CVE-2026-11878 primarily affects Microfocus Access Manager. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-11878?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-11878 have an EU (EUVD) identifier?

Yes. CVE-2026-11878 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38791.

When was CVE-2026-11878 published?

CVE-2026-11878 was published on 2026-06-24 and last updated on 2026-06-29.

CVE-2026-11878

CVE-2026-11878 is a medium-severity vulnerability in Microfocus Access Manager with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 8.2
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38791
Weakness: CWE-79
Affected product: Microfocus Access Manager
Published: 2026-06-24
Last modified: 2026-06-29

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.

Frequently asked questions

What is CVE-2026-11878?: 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.
How severe is CVE-2026-11878?: CVE-2026-11878 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-11878 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-11878?: CVE-2026-11878 primarily affects Microfocus Access Manager. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-11878?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-11878 have an EU (EUVD) identifier?: Yes. CVE-2026-11878 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38791.
When was CVE-2026-11878 published?: CVE-2026-11878 was published on 2026-06-24 and last updated on 2026-06-29.

References

https://portal.microfocus.com/s/article/KM000047449

Affected products (3)

cpe:2.3:a:microfocus:access_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:access_manager:5.1:-:*:*:*:*:*:*
cpe:2.3:a:microfocus:access_manager:5.1:patch_update_2:*:*:*:*:*:*

More vulnerabilities in Microfocus Access Manager

CVE-2021-22528 — High (CVSS 8.0): Reflected Cross Site Scripting (XSS) vulnerability in NetIQ Access Manager prior to 5.0.1 and 4.5.4
CVE-2026-11877 — High (CVSS 7.5): An unauthorized user can modify configuration through API calls that affects the OpenText Access Manager. This issue…
CVE-2021-22506 — High (CVSS 7.5): Advance configuration exposing Information Leakage vulnerability in Micro Focus Access Manager product, affects all…
CVE-2021-22496 — High (CVSS 7.5): Authentication Bypass Vulnerability in Micro Focus Access Manager Product, affects all version prior to version…
CVE-2014-5217 — Medium (CVSS 6.8): Cross-site request forgery (CSRF) vulnerability in nps/servlet/webacc in the Administration Console server in NetIQ…
CVE-2021-22531 — Medium (CVSS 6.1): A bug exist in the input parameter of Access Manager that allows supply of invalid character to trigger cross-site…

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