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CVE-2026-42555— Valtimo: SpEL injection via StandardEvaluationContext allows Remote Code Execution by admin users

Quick assessment

Affected
valtimo-platform valtimo
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Valtimo是荷兰Valtimo开源的一个业务流程自动化的低代码平台。 valtimo 12.0.0版本至12.32.0之前版本存在代码注入漏洞，该漏洞源于使用StandardEvaluationContext评估用户输入的Spring表达式语言表达式，提供对Java类型和方法的无限制访问，可能导致具有ADMIN角色的认证用户实现远程代码执行和凭据泄露。

CVSS 9.1 · Critical EPSS 0.82% · P57

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
com.ritense.valtimo case >= 13.0.0, < 13.23.0 affected
com.ritense.valtimo contract >= 13.4.0, < 13.23.0 affected
com.ritense.valtimo document >= 12.0.0, < 12.32.0 affected
valtimo-platform valtimo < 13.23.0 affected
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I. Basic Information for CVE-2026-42555

Vulnerability Information
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Vulnerability Title
Valtimo: SpEL injection via StandardEvaluationContext allows Remote Code Execution by admin users
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Valtimo 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Valtimo是荷兰Valtimo开源的一个业务流程自动化的低代码平台。 valtimo 12.0.0版本至12.32.0之前版本存在代码注入漏洞，该漏洞源于使用StandardEvaluationContext评估用户输入的Spring表达式语言表达式，提供对Java类型和方法的无限制访问，可能导致具有ADMIN角色的认证用户实现远程代码执行和凭据泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
valtimo-platform valtimo < 13.23.0 -
com.ritense.valtimo case >= 13.0.0, < 13.23.0 -
com.ritense.valtimo contract >= 13.4.0, < 13.23.0 -
com.ritense.valtimo document >= 12.0.0, < 12.32.0 -

II. Public POCs for CVE-2026-42555

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III. Intelligence Information for CVE-2026-42555

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Vendor Advisories for CVE-2026-42555 (1)

IV. Related Vulnerabilities

Same product: valtimo
Same vendor: valtimo-platform
Same weakness: CWE-94

V. Comments for CVE-2026-42555

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