How severe is CVE-2026-55748?

CVE-2026-55748 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2026-55748 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-55748?

CVE-2026-55748 affects Openstack Horizon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-55748?

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

Does CVE-2026-55748 have an EU (EUVD) identifier?

Yes. CVE-2026-55748 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37723.

When was CVE-2026-55748 published?

CVE-2026-55748 was published on 2026-06-17 and last updated on 2026-09-22.

CVE-2026-55748

CVE-2026-55748 is a medium-severity vulnerability in Openstack Horizon with a CVSS 3.x base score of 6.0. 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-78.

Key facts

Severity: Medium (CVSS 3.x base score 6.0)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37723
Weakness: CWE-78
Affected product: Openstack Horizon
Published: 2026-06-17
Last modified: 2026-09-22

Description

OpenStack Horizon before 25.7.4 produces scripts for OpenStack RC file downloading that may have a crafted project name with shell metacharacters. NOTE: some parties consider this a security hardening opportunity to address certain types of user error, not a vulnerability.

Frequently asked questions

What is CVE-2026-55748?: OpenStack Horizon before 25.7.4 produces scripts for OpenStack RC file downloading that may have a crafted project name with shell metacharacters. NOTE: some parties consider this a security hardening opportunity to address certain types of user error, not a vulnerability.
How severe is CVE-2026-55748?: CVE-2026-55748 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2026-55748 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-55748?: CVE-2026-55748 affects Openstack Horizon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-55748?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-55748 have an EU (EUVD) identifier?: Yes. CVE-2026-55748 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37723.
When was CVE-2026-55748 published?: CVE-2026-55748 was published on 2026-06-17 and last updated on 2026-09-22.

References

Affected products (1)

cpe:2.3:a:openstack:horizon:*:*:*:*:*:*:*:*

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