PT-2026-44012 · Jenkins · Active Directory Plugin

Published 2026-05-27 · Updated 2026-05-28 · CVE-2026-48919

Positive Technologies (AI Summary)

CVSS v3.1

6.6

Medium

Base vector

AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Jenkins Active Directory Plugin versions prior to 2.42

Description The plugin deserializes data from LDAP referrals without proper validation. Deserialization is the process of converting a data stream back into an object, which, when performed on untrusted data, can lead to security compromises.

Recommendations Update to a version later than 2.41.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-48919

Affected Products

Active Directory Plugin

References · 4

• https://jenkins.io/security/advisory/2026-05-27/#SECURITY-3659 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-48919 · Security Note
• https://t.me/CVEtracker/55124 · Telegram Post
• https://twitter.com/dailycve/status/2060134573841793322 · Twitter Post