Valtimo: Sensitive data exposure through inbox message logging in InboxHandlingService

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Summary

CVECVE-2026-34164
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-16 22:16:37 UTC
Updated2026-04-16 22:16:37 UTC
DescriptionValtimo is an open-source business process automation platform. In versions 13.0.0 through 13.21.0, the InboxHandlingService logs the full content of every incoming inbox message at INFO level. Inbox messages can contain highly sensitive information including personal data (PII), citizen identifiers (BSN), and case details. This data is exposed to anyone with access to application logs or any Valtimo user with the admin role through the Admin UI logging module. This issue has been fixed in version 13.22.0. If developers are unable to upgrade immediately, they can restrict access to application logs and adjust the log level for com.ritense.inbox to WARN or higher in their application configuration as a workaround.

Risk And Classification

Primary CVSS: v3.1 4.9 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Problem Types: CWE-532 | CWE-532 CWE-532: Insertion of Sensitive Information into Log File

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED4.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Valtimo-platform Valtimo affected >= 13.0.0.RELEASE, < 13.22.0.RELEASE Not specified

References

ReferenceSourceLinkTags
github.com/valtimo-platform/valtimo/releases/tag/13.22.0 [email protected] github.com
github.com/generiekzaakafhandelcomponent/gzac-issues/issues/653 [email protected] github.com
github.com/valtimo-platform/valtimo/commit/f16a1940ba7b34627c0b966f98ca7... [email protected] github.com
github.com/valtimo-platform/valtimo/pull/497 [email protected] github.com
github.com/valtimo-platform/valtimo/security/advisories/GHSA-hfrg-mcvw-8mch [email protected] github.com
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