Vulnerability · Published Jun 10, 2026 · Assigned by jenkins
CVE-2026-53439
Medium 4.3
In plain English
A medium-severity missing authorization in Jenkins 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 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 86.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Missing permission checks in Jenkins 2.567 and earlier, LTS 2.555.2 and earlier allow attackers with Overall/Read permission to determine other users' configured timezone and to enumerate view names of other users' "My Views".
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.jenkins-ci.main:jenkins-core | 2.555.3 | GHSA-g28p-6mcc-v4rv |
| Maven | org.jenkins-ci.main:jenkins-core | 2.568 | GHSA-g28p-6mcc-v4rv |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins Project | Jenkins | see references |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References
- Jenkins Security Advisory 2026-06-10 vendor-advisory