CVE-2026-57284
CVE-2026-57284 is a medium-severity vulnerability in Jenkins Pipeline with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-470.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- EPSS exploit prediction: 0% (19th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-38764
- Weakness: CWE-470
- Affected product: Jenkins Pipeline
- Published:
- Last modified:
Description
Jenkins Pipeline: Groovy Plugin 4331.v9d06ed4658ff and earlier does not restrict the types that can be instantiated through the Pipeline Snippet Generator, allowing attackers to instantiate types related to job or system configuration other than Pipeline steps.
Frequently asked questions
- What is CVE-2026-57284?
- Jenkins Pipeline: Groovy Plugin 4331.v9d06ed4658ff and earlier does not restrict the types that can be instantiated through the Pipeline Snippet Generator, allowing attackers to instantiate types related to job or system configuration other than Pipeline steps.
- How severe is CVE-2026-57284?
- CVE-2026-57284 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2026-57284 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-57284?
- CVE-2026-57284 affects Jenkins Pipeline. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-57284?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-57284 have an EU (EUVD) identifier?
- Yes. CVE-2026-57284 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38764.
- When was CVE-2026-57284 published?
- CVE-2026-57284 was published on 2026-06-24 and last updated on 2026-06-26.
References
Affected products (1)
- cpe:2.3:a:jenkins:pipeline\:_groovy:*:*:*:*:*:jenkins:*:*
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