How severe is CVE-2025-3026?

CVE-2025-3026 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-2025-3026 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3026?

CVE-2025-3026 affects Primekey Ejbca. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3026?

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

Does CVE-2025-3026 have an EU (EUVD) identifier?

Yes. CVE-2025-3026 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8737.

When was CVE-2025-3026 published?

CVE-2025-3026 was published on 2025-03-31 and last updated on 2026-06-17.

CVE-2025-3026

CVE-2025-3026 is a medium-severity vulnerability in Primekey Ejbca 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 5.1
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-8737
Weakness: CWE-74
Affected product: Primekey Ejbca
Published: 2025-03-31
Last modified: 2026-06-17

Description

The vulnerability exists in the EJBCA service, version 8.0 Enterprise. Not tested in higher versions. By modifying the ‘Host’ header in an HTTP request, it is possible to manipulate the generated links and thus redirect the client to a different base URL. In this way, an attacker could insert his own server for the client to send HTTP requests, provided he succeeds in exploiting it.

Frequently asked questions

What is CVE-2025-3026?: The vulnerability exists in the EJBCA service, version 8.0 Enterprise. Not tested in higher versions. By modifying the ‘Host’ header in an HTTP request, it is possible to manipulate the generated links and thus redirect the client to a different base URL. In this way, an attacker could insert his own server for the client to send HTTP requests, provided he succeeds in exploiting it.
How severe is CVE-2025-3026?: CVE-2025-3026 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-2025-3026 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3026?: CVE-2025-3026 affects Primekey Ejbca. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3026?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-3026 have an EU (EUVD) identifier?: Yes. CVE-2025-3026 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8737.
When was CVE-2025-3026 published?: CVE-2025-3026 was published on 2025-03-31 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-ejbca

Affected products (1)

cpe:2.3:a:primekey:ejbca:*:*:*:*:enterprise:*:*:*

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