How severe is CVE-2026-48917?

CVE-2026-48917 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-2026-48917 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-2026-48917?

CVE-2026-48917 primarily affects Jenkins Ldap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-48917?

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

Does CVE-2026-48917 have an EU (EUVD) identifier?

Yes. CVE-2026-48917 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32508.

When was CVE-2026-48917 published?

CVE-2026-48917 was published on 2026-05-27 and last updated on 2026-06-17.

CVE-2026-48917

CVE-2026-48917 is a medium-severity vulnerability in Jenkins Ldap 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-2026-32508
Weakness: CWE-502
Affected product: Jenkins Ldap
Published: 2026-05-27
Last modified: 2026-06-17

Description

Jenkins LDAP Plugin 807.v7d7de30930cf and earlier deserializes data from LDAP referrals without validation.

Frequently asked questions

What is CVE-2026-48917?: Jenkins LDAP Plugin 807.v7d7de30930cf and earlier deserializes data from LDAP referrals without validation.
How severe is CVE-2026-48917?: CVE-2026-48917 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-2026-48917 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-2026-48917?: CVE-2026-48917 primarily affects Jenkins Ldap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-48917?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-48917 have an EU (EUVD) identifier?: Yes. CVE-2026-48917 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32508.
When was CVE-2026-48917 published?: CVE-2026-48917 was published on 2026-05-27 and last updated on 2026-06-17.

References

https://www.jenkins.io/security/advisory/2026-05-27/#SECURITY-3654

Affected products (2)

cpe:2.3:a:jenkins:ldap:*:*:*:*:*:jenkins:*:*
cpe:2.3:a:jenkins:ldap:807.v7d7de30930cf:*:*:*:*:jenkins:*:*

More vulnerabilities in Jenkins Ldap

CVE-2026-48916 — Medium (CVSS 6.6): Jenkins LDAP Plugin 807.v7d7de30930cf and earlier follows LDAP referrals.

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