SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-10399

A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.62 and earlier related to the handling of property names in property expressions in increment and decrement expressions allowed attackers to execute arbitrary code in sandboxed scripts.

MEDIUM 4.2EPSS 1.04%

Does this matter?

Lower severity and a low EPSS score (1.04%). Track it; it rarely justifies an emergency change on its own.

Description

A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.62 and earlier related to the handling of property names in property expressions in increment and decrement expressions allowed attackers to execute arbitrary code in sandboxed scripts.

CVSS 3.1
4.2 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS
1.04% probability · 64th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
jenkins/script security
Source
jenkinsci-cert@googlegroups.com
EPSS trend
0%3%5%27 October 2026: 1.04%27 October 202627 October 2026

EPSS 1.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.