CVE-2026-42555

Valtimo: SpEL injection via StandardEvaluationContext allows Remote Code Execution by admin users

State: Published
Severity: 9.1 Critical
Published: May 14, 2026
Updated: May 14, 2026
Reserved: Apr 28, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-94 Improper Control of Generation of Code ('Code Injection')

Affected Products

Product	Versions
valtimovaltimo-platform	< 13.23.0Affected
casecom.ritense.valtimo	>= 13.0.0, < 13.23.0Affected
contractcom.ritense.valtimo	>= 13.4.0, < 13.23.0Affected
documentcom.ritense.valtimo	>= 12.0.0, < 12.32.0Affected

References

https://github.com/valtimo-platform/valtimo/security/advisories/GHSA-j7j9-5253-f7vh

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