How severe is CVE-2026-48919?

CVE-2026-48919 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-2026-48919 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48919?

CVE-2026-48919 affects Jenkins Active Directory. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-48919?

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

Does CVE-2026-48919 have an EU (EUVD) identifier?

Yes. CVE-2026-48919 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32510.

When was CVE-2026-48919 published?

CVE-2026-48919 was published on 2026-05-27 and last updated on 2026-06-17.

CVE-2026-48919

CVE-2026-48919 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-502.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-32510
Weakness: CWE-502
Affected product: Jenkins Active Directory
Published: 2026-05-27
Last modified: 2026-06-17

Description

Jenkins Active Directory Plugin 2.41 and earlier deserializes data from LDAP referrals without validation.

Frequently asked questions

What is CVE-2026-48919?: Jenkins Active Directory Plugin 2.41 and earlier deserializes data from LDAP referrals without validation.
How severe is CVE-2026-48919?: CVE-2026-48919 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-2026-48919 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48919?: CVE-2026-48919 affects Jenkins Active Directory. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-48919?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-48919 have an EU (EUVD) identifier?: Yes. CVE-2026-48919 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32510.
When was CVE-2026-48919 published?: CVE-2026-48919 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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