GHSA-59x6-g4jr-4hxc · Severity: critical · Ecosystem: maven — GeoServer RCE due to improper control of generation of code in jai-ext`Jiffle` map algebra language
GeoServer 2, in some configurations, allows remote attackers to execute arbitrary code via java.lang.Runtime.getRuntime().exec in wps:LiteralData within a wps:Execute request, as exploited in the wild in June 2023. NOTE: the vendor states that they are unable to reproduce this in any version.
Conclusion & alert: CVE-2023-35042 is rated High Risk (72.1/100): CVSS Critical severity, with high exploitation likelihood (EPSS 43.23%, 99th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-27 | 44.82% | 43.23% | -1.59% |
| 2 | 2026-06-15 | 30.62% | 44.82% | +14.20% |
| 3 | 2026-06-13 | — | 30.62% | — |
Full EPSS history (23 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
GHSA-59x6-g4jr-4hxc · Severity: critical · Ecosystem: maven — GeoServer RCE due to improper control of generation of code in jai-ext`Jiffle` map algebra language
| URL | Tags |
|---|---|
| https://docs.geoserver.org/stable/en/user/services/wps/operations.html#execute | Product |
| https://isc.sans.edu/diary/29936 | Third Party Advisory |