CVE-2026-92123: jenkins project jenkins script security plugin Protection Mechanism Failure
Vulnerability summary
CVE-2026-92123 is a high (CVSS 8.8) Protection Mechanism Failure vulnerability in jenkins project jenkins script security plugin. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 49.3% of scored vulnerabilities.
Timeline
- 16-09-2026PublishedVulnerability first disclosed.
- 16-09-2026Last modifiedVulnerability information updated.
Description
Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier does not intercept operations performed on a null receiver (method calls, property and attribute accesses, and array accesses), allowing attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.63%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
+0.05 pp
From 0.58% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Jenkins1 product
- script_security≤ 1415.v9a_f9b_3a_c253d
Jenkins project1 product
- jenkins script security plugin≤ 1415.v9a_f9b_3a_c253d
2 vendors · 2 products
References
1 links- www.jenkins.io/security/advisory/2026-09-16/Vendor Advisory