How severe is CVE-2026-3048?

CVE-2026-3048 has a CVSS 4.0 base score of 5.1, rated medium severity.

Is CVE-2026-3048 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-3048?

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

Does CVE-2026-3048 have an EU (EUVD) identifier?

Yes. CVE-2026-3048 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29094.

When was CVE-2026-3048 published?

CVE-2026-3048 was published on 2026-05-11 and last updated on 2026-06-17.

CVE-2026-3048

CVE-2026-3048 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.1. 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-502.

Key facts

Severity: Medium (CVSS 4.0 base score 5.1)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29094
Weakness: CWE-502
Published: 2026-05-11
Last modified: 2026-06-17

Description

An authenticated administrator who configures or tests LDAP connectivity in Sonatype Nexus Repository Manager versions 3.0.0 through 3.91.1 may be able to initiate unintended server-side connections when interacting with a malicious LDAP server.

Frequently asked questions

What is CVE-2026-3048?: An authenticated administrator who configures or tests LDAP connectivity in Sonatype Nexus Repository Manager versions 3.0.0 through 3.91.1 may be able to initiate unintended server-side connections when interacting with a malicious LDAP server.
How severe is CVE-2026-3048?: CVE-2026-3048 has a CVSS 4.0 base score of 5.1, rated medium severity.
Is CVE-2026-3048 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-3048?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3048 have an EU (EUVD) identifier?: Yes. CVE-2026-3048 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29094.
When was CVE-2026-3048 published?: CVE-2026-3048 was published on 2026-05-11 and last updated on 2026-06-17.

References

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