CVE-2025-31722: Jenkins Templating Engine Plugin · Code Injection
Affects Jenkins Templating Engine PluginSource CVE Database V5
Not known to be exploited · CVSS 8.8 High.
Data as of 26 Oct 2026, 16:39 UTC
- EPSS
- 1.3% chance of exploitation in 30 days – higher than 70% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 2 Apr 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Jenkins Project Jenkins Templating Engine Plugin | Affected
| Fixed in– |
AI-suggested
Until an official patch is released, organizations should implement the following mitigations: 1) Restrict Item/Configure permissions strictly to trusted administrators and minimize the number of users with these privileges. 2) Audit and monitor Jenkins logs for unusual configuration changes or script executions that could indicate exploitation attempts. 3) Disable or remove the Jenkins Templating Engine Plugin if it is not essential to your workflows. 4) Isolate the Jenkins controller in a secure network segment with limited access to reduce exposure. 5) Employ runtime security monitoring tools that can detect anomalous JVM behavior or unauthorized code execution. 6) Review and harden Jenkins security settings, including enabling Role-Based Access Control (RBAC) plugins to enforce least privilege. 7) Prepare for rapid deployment of patches once they become available by maintaining an up-to-date inventory of Jenkins plugins and versions. These steps go beyond generic advice by focusing on permission management, monitoring, and environment hardening specific to this vulnerability's exploitation vector.
Description
In Jenkins Templating Engine Plugin 2.5.3 and earlier, libraries defined in folders are not subject to sandbox protection, allowing attackers with Item/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM.