CVE-2026-92126 Jenkins Script Security
| Affected software | Jenkins Script Security |
|---|---|
| Severity | 8.5 High CVSS 3.1 2 scores |
| Weakness | Unsafe reflection (CWE-470) |
| Published | 16 Sep 2026 |
| Updated | 27 Sep 2026 |
Published 58 days ago. NVD often adds the list of affected products days or weeks after a CVE is published, and the other sources we check lag too. The scope and status here may change.
Description
Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier does not reject @Builder annotations whose builderStrategy member names an arbitrary class, allowing attackers with permission to define and run sandboxed scripts, including Pipelines, to execute code outside the sandbox if a suitable class is present on the classpath of the component that evaluates the script.
CWE-94 · Code injection
Exploitation status
No public exploit
No exploit has been reported in the sources we check.
Exploitation status
- CISA KEV not listed
- VulnCheck KEV not listed
- CISA Vulnrichment exploitation: none
- Indexed PoC none indexed
- EPSS 0.62% chance in 30 days
Waratek protection
Waratek has a rule that blocks attacks on this vulnerability.
- Protection full Reflection
- Action available security rule
- Review automated Inferred
- Record active
| Decided by | A vulnerability class already blocked by an ARMR security rule |
|---|---|
| Finding | Protected by Waratek's ARMR reflection security rule, which blocks this class of attack at the JVM level without a rule written for this CVE specifically. The CVE's weakness is CWE-470: Unsafe Reflection. |
How to mitigate CVE-2026-92126
Apply the vendor's fix for Jenkins Script Security. Until you can, Waratek RASP blocks exploitation with its reflection rule. It runs inside the Java application, with no code changes.
CVSS
8.5 HIGH
v3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
2 metrics
CVSS
8.5 HIGH v3.1CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
2 metrics
We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.
| Version | Score | Band | Vector | Assigner | Type | |
|---|---|---|---|---|---|---|
| CVSS 3.1 | 8.5 | HIGH | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
NVD | Primary | published |
| CVSS 3.1 | 7.2 | HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
CISA-ADP | Secondary |
Affected software and releases
Products and versions
1 product, 1 version entry| Source | Vendor | Product | Scheme | Affected versions |
|---|---|---|---|---|
| nvd | jenkins | script security | generic | ≤ 1415.9.9.3.253 |
References
| URL | Tags |
|---|---|
| https://www.jenkins.io/security/advisory/2026-09-16/#SECURITY-3925%20(2) | Vendor Advisory |
Timeline
Timeline
| Published | 2026-09-16 | By the CVE Program. |
|---|---|---|
| NVD record modified | 2026-09-27 | NVD's own last-modified date for this record. |