CVE-2026-57284: pipeline\ — Fix

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.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS — Exploit Prediction

0.0028

Probability of exploitation

0.20%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-470 CWE-470

Affected Products

Vendor	Product	Versions
jenkins	pipeline\	< 4331.v9d06ed4658ff

References

Advisories & Patches

https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3677

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. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-57284? +

CVE-2026-57284 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0028, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-57284? +

CVE-2026-57284 affects products from jenkins, specifically: pipeline\. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-57284? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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