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VulnerabilityPublished Updated

CVE-2026-34164: valtimo · Sensitive Data in Logs

Affects valtimoSource CVE Database V5

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Not known to be exploited · CVSS 4.9 Medium : upgrade to 13.22.0.RELEASE when convenient.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
4.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 13.22.0.RELEASE, 13.22.0
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade valtimo to 13.22.0.RELEASE; valtimo-platform/valtimo to 13.22.0.

Affected software

ProductAffectedFixed in
valtimo-platformvaltimoAffected
  • >=13.0.0.RELEASE <13.22.0.RELEASE
Fixed in
  • 13.22.0.RELEASE
GitHubvaltimo-platform/valtimopkg:github/valtimo-platform/valtimoOther threatsAffected
  • <13.22.0
Fixed in
  • 13.22.0

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A fixed version (13.22.0) of Valtimo is available and should be applied to remediate this vulnerability. If immediate upgrade is not possible, restrict access to application logs to authorized personnel only and configure the logging level for com.ritense.inbox to WARN or higher to prevent sensitive data from being logged at INFO level.

Description

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.

References

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