CVE-2026-34164: Valtimo: Sensitive data exposure through inbox message logging in InboxHandlingService
(updated )
The InboxHandlingService logs the full content of every incoming inbox message at INFO level (logger.info("Received message: {}", message)). Inbox messages are wrappers around outbox message data, which can contain highly sensitive information such as personal data (PII), citizen identifiers (BSN), and case details.
References
- github.com/advisories/GHSA-hfrg-mcvw-8mch
- github.com/generiekzaakafhandelcomponent/gzac-issues/issues/653
- github.com/valtimo-platform/valtimo/commit/f16a1940ba7b34627c0b966f98ca78655ace9335
- github.com/valtimo-platform/valtimo/pull/497
- github.com/valtimo-platform/valtimo/releases/tag/13.22.0
- github.com/valtimo-platform/valtimo/security/advisories/GHSA-hfrg-mcvw-8mch
- nvd.nist.gov/vuln/detail/CVE-2026-34164
Code Behaviors & Features
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