CVE-2026-48919: jenkins project jenkins active directory plugin Deserialization of Untrusted Data
CVSS: 6.6v3.1MediumAnalyzed
AliasesGHSA-p2gw-f3rv-82mw
Published 27-05-2026Last modified 27-05-2026
Vulnerability summary
CVE-2026-48919 is a medium (CVSS 6.6) Deserialization of Untrusted Data vulnerability in jenkins project jenkins active directory plugin. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36.3% of scored vulnerabilities.
CVSS score
6.6/10
010
Medium · v3.1 (CVE.org)EPSS score
0.43%
0%100%
Low · +0.17 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-05-2026PublishedVulnerability first disclosed.
- 27-05-2026Last modifiedVulnerability information updated.
Description
Jenkins Active Directory Plugin 2.41 and earlier deserializes data from LDAP referrals without validation.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.6Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · MavenEcosystem advisory · calculated6.6MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
- NVDNIST6.6MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
36%
Versus all other CVEs
30-day change
+0.17 pp
From 0.26% on 20-09-2026
20-09-202620-10-2026
EPSS score0.43%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Jenkins1 product
- active_directory≤ 2.41
Jenkins project1 product
Org.jenkins-ci.plugins1 product
- active-directory< 2.41.1
3 vendors · 3 products
