Paper/Archive/CVE-2026-42555

CVE-2026-42555

valtimo-platform valtimo — Valtimo: SpEL injection via StandardEvaluationContext allows Remote Code Execution by admin users

EPSS 0.6%CVSS 9.1

critical.is priorityof 100

CVSS 9.1 (CNA)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 47.5.475 × 209.5 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

Valtimo is an open-source business process automation platform. com.ritense.valtimo:document from 12.0.0 to before 12.32.0, com.ritense.valtimo:case from 13.0.0 to before 13.23.0, and com.ritense.valtimo:contract from 13.4.0 to before 13.23.0 evaluate Spring Expression Language (SpEL) expressions from user-supplied input using StandardEvaluationContext, which provides unrestricted access to Java types and methods. An authenticated user with the ADMIN role can achieve Remote Code Execution and credential exfiltration. This vulnerability is fixed in com.ritense.valtimo:document 2.32.0, com.ritense.valtimo:case 13.23.0, and com.ritense.valtimo:contract 13.23.0.

Affected

ProductAffectedFixed inSource

valtimo< 13.23.0–CNA

case>= 13.0.0, < 13.23.0–CNA

contract>= 13.4.0, < 13.23.0–CNA

document>= 12.0.0, < 12.32.0–CNA

Scores by source

GitHub_M (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refgithub.com/valtimo-platform/valtimo/security/advisories/GHSA-j7j9-5253-f7vh