CVE-2026-42555 Valtimo: SpEL injection via StandardEvaluationContext allows Remote Code Execution by admin users
Admin users can achieve remote code execution and exfiltrate credentials via SpEL injection in Valtimo business process automation platform.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-42555?
CVE-2026-42555 is a critical code injection vulnerability in com.ritense.valtimo case, published on 14 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-94
Which versions are affected by CVE-2026-42555?
6 open source packages ship an affected version, including com.ritense.valtimo:case, com.ritense.valtimo:contract and com.ritense.valtimo:document.
| Package | Affected | Fixed in |
|---|---|---|
com.ritense.valtimo:case Maven | From 13.0.0 | 13.23.0 |
com.ritense.valtimo:case Maven | From 13.0.0 | 13.23.0 |
com.ritense.valtimo:contract Maven | From 13.4.0 | 13.23.0 |
com.ritense.valtimo:contract Maven | From 13.4.0 | 13.23.0 |
com.ritense.valtimo:document Maven | From 12.0.0 | 12.32.0 |
com.ritense.valtimo:document Maven | From 12.0.0 | 12.32.0 |
How do I fix CVE-2026-42555?
Upgrade com.ritense.valtimo:case to 13.23.0 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-42555 being exploited?
There is no known exploitation of CVE-2026-42555 in the wild and no public exploit code.
Sources
Also known as GHSA-j7j9-5253-f7vh.