Vulnerability · Published May 27, 2026 · Assigned by jenkins
CVE-2026-48917
Medium 6.6
In plain English
A medium-severity unsafe deserialization in Jenkins LDAP Plugin from Jenkins Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.6Medium
Exploit odds (30 days)0.3%top 82.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Jenkins LDAP Plugin 807.v7d7de30930cf and earlier deserializes data from LDAP referrals without validation.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.jenkins-ci.plugins:ldap | 807.809.vd3a | GHSA-x9v8-p946-5pwc |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins Project | Jenkins LDAP Plugin | 0 – through 807.v7d7de30930cf |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
References
- Jenkins Security Advisory 2026-05-27 vendor-advisory