CVE-2026-92129: jenkins project jenkins script security plugin Protection Mechanism Failure
Vulnerability summary
CVE-2026-92129 is a high (CVSS 7.5) Protection Mechanism Failure vulnerability in jenkins project jenkins script security plugin. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 40.3% 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 check calls from sandboxed scripts to methods added dynamically to a class at runtime, allowing attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute code outside the sandbox.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.5HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.48%
Chance of exploitation in the next 30 days
Percentile
40%
Versus all other CVEs
30-day change
+0.04 pp
From 0.45% 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