Jenkins AD Plugin 2.41 LDAP Referral Deserialization Vulnerability
CVE-2026-48919 Published on May 27, 2026

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

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-48919 can be exploited with network access, and requires user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
HIGH
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Marshaling, Unmarshaling Vulnerability?

The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

CVE-2026-48919 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.


Products Associated with CVE-2026-48919

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Jenkins
 

Affected Versions

Jenkins Project Jenkins Active Directory Plugin:

Exploit Probability

EPSS
1.30%
Percentile
80.08%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.