Information disclosure in Valtimo-platform Valtimo
CVE-2026-34164
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 i…
EPSS: 0.000 (3.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Valtimo-platform Valtimo — versions >= 13.0.0.RELEASE, < 13.22.0.RELEASE
Weakness classification (CWE)
References
- https://github.com/valtimo-platform/valtimo/security/advisories/GHSA-hfrg-mcvw-8mch (x_refsource_CONFIRM)
- https://github.com/generiekzaakafhandelcomponent/gzac-issues/issues/653 (x_refsource_MISC)
- https://github.com/valtimo-platform/valtimo/pull/497 (x_refsource_MISC)
- https://github.com/valtimo-platform/valtimo/commit/f16a1940ba7b34627c0b966f98ca78655ace9335 (x_refsource_MISC)
- https://github.com/valtimo-platform/valtimo/releases/tag/13.22.0 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-34164?
- CVE-2026-34164 is a medium-severity vulnerability in Valtimo-platform Valtimo, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.9/10. Published 2026-04-16.
- How severe is CVE-2026-34164?
- Medium severity. CVSS v3 base score is 4.9 out of 10.