CVE-2026-92128 (CVSS 7.5)

Description

Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a JAR file specified by URL twice, confirming the approval of the first download and loading the classpath entries from the second, allowing attackers able to define classpath entries to execute arbitrary code in the context of the Jenkins controller JVM.

Is your site exposed to CVE-2026-92128?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-494 CWE-494

References

Other References

https://www.jenkins.io/security/advisory/2026-09-16/#SECURITY-3932

Frequently Asked Questions

What is CVE-2026-92128? +

Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a JAR file specified by URL twice, confirming the approval of the first download and loading the classpath entries from the second, allowing attackers able to define classpath entries to execute arbitrary code in the context of the Jenkins controller JVM. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-92128? +

CVE-2026-92128 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2026-92128? +

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.

Related Vulnerabilities

CVE-2026-42249

Ollama for Windows contains a Remote Code Execution vulnerability in its update mechanism due to improper handling of attacker‑controlled HTTP …

CVE-2025-52937

Vulnerability in PointCloudLibrary PCL (surface/src/3rdparty/opennurbs modules). This vulnerability is associated with program files crc32.C. This vulnerability is only relevant if …

CVE-2025-53696

iSTAR Ultra performs a firmware verification on boot, however the verification does not inspect certain portions of the firmware. These …

CVE-2024-54126

This vulnerability exists in the TP-Link Archer C50 due to improper signature verification mechanism in the firmware upgrade process at …

CVE-2026-45058

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. In 3.8.8 and earlier, there is persistent local-pty code execution via imported bookmarks or …

CVE-2026-9037

A firmware update mechanism in the affected charging controller fails to validate the authenticity of firmware packages delivered through the …

CVE-2026-92128