How severe is CVE-2026-48918?

CVE-2026-48918 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-48918 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48918?

CVE-2026-48918 affects Jenkins Active Directory. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-48918?

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

Does CVE-2026-48918 have an EU (EUVD) identifier?

Yes. CVE-2026-48918 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32509.

When was CVE-2026-48918 published?

CVE-2026-48918 was published on 2026-05-27 and last updated on 2026-06-17.

CVE-2026-48918

CVE-2026-48918 is a medium-severity vulnerability in Jenkins Active Directory with a CVSS 3.x base score of 6.6. 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-918.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-32509
Weakness: CWE-918
Affected product: Jenkins Active Directory
Published: 2026-05-27
Last modified: 2026-06-17

Description

Jenkins Active Directory Plugin 2.41 and earlier follows LDAP referrals by default.

Frequently asked questions

What is CVE-2026-48918?: Jenkins Active Directory Plugin 2.41 and earlier follows LDAP referrals by default.
How severe is CVE-2026-48918?: CVE-2026-48918 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-48918 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48918?: CVE-2026-48918 affects Jenkins Active Directory. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-48918?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-48918 have an EU (EUVD) identifier?: Yes. CVE-2026-48918 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32509.
When was CVE-2026-48918 published?: CVE-2026-48918 was published on 2026-05-27 and last updated on 2026-06-17.

References

https://www.jenkins.io/security/advisory/2026-05-27/#SECURITY-3659

Affected products (1)

cpe:2.3:a:jenkins:active_directory:*:*:*:*:*:jenkins:*:*

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