Medium 4.9Published Apr 16, 2026

CVE-2026-34164Valtimo is an open-source business process automation platform.

Updated under an hour ago (2026-10-19 07:23 UTC)

Does this affect you?

It lists no affected products yet. Add what you run and Signals checks it as products are added.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Exploited in the last 30 days

Valtimo 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.

CVSS: 4.9 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-532
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Deferred
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

No affected products are listed yet.

References

https://github.com/generiekzaakafhandelcomponent/gzac-issues/issues/653
https://github.com/valtimo-platform/valtimo/commit/f16a1940ba7b34627c0b966f98ca78655ace9335
https://github.com/valtimo-platform/valtimo/pull/497
https://github.com/valtimo-platform/valtimo/releases/tag/13.22.0
https://github.com/valtimo-platform/valtimo/security/advisories/GHSA-hfrg-mcvw-8mch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.