Possible information disclosure of environment variables in Vaadin Build Plugins via Failed Frontend Build

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Summary

CVECVE-2026-7860
StatePUBLISHED
AssignerVaadin
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-19 12:16:19 UTC
Updated2026-05-21 19:16:55 UTC
DescriptionA possible information disclosure vulnerability exists in the Vaadin Maven plugin and Vaadin Gradle plugin that exposes the full set of environment variables in build logs whenever the frontend build process exits with a non-zero status. Because the build environment may contain credentials supplied as secrets, any failed frontend build can expose those secrets in clear text in CI logs and archived build artifacts. Users of affected versions should apply the following mitigation or upgrade. Releases that have fixed this issue include: Product version Vaadin 23.0.0 - 23.6.9 Vaadin 24.0.0 - 24.9.16 Vaadin 24.10.0 - 24.10.3 Vaadin 25.0.0 - 25.0.10 Vaadin 25.1.0 - 25.1.4 Mitigation Upgrade to 23.6.10 Upgrade to 24.9.17 or newer Upgrade to 24.10.4 or newer Upgrade to 25.0.11 or newer Upgrade to 25.1.5 or newer Please note that Vaadin versions 10-13 and 15-22 are no longer supported and you should update either to the latest 23, 24, or 25 version. ArtifactsMaven coordinatesVulnerable versionsFixed versioncom.vaadin:flow-plugin-base23.0.0 - 23.6.10≥23.6.11com.vaadin:flow-plugin-base24.0.0 - 24.9.17≥24.9.18com.vaadin:flow-plugin-base24.10.0 - 24.10.3≥24.10.4com.vaadin:flow-plugin-base25.0.0 - 25.0.11≥25.0.12com.vaadin:flow-plugin-base25.1.0 - 25.1.4≥25.1.5com.vaadin:flow-maven-plugin23.0.0 - 23.6.10≥23.6.11com.vaadin:flow-maven-plugin24.0.0 - 24.9.17≥24.9.18com.vaadin:flow-maven-plugin24.10.0 - 24.10.3≥24.10.4com.vaadin:flow-maven-plugin25.0.0 - 25.0.11≥25.0.12com.vaadin:flow-maven-plugin25.1.0 - 25.1.4≥25.1.5com.vaadin:flow-gradle-plugin24.0.0 - 24.9.17≥24.9.18com.vaadin:flow-gradle-plugin24.10.0 - 24.10.3≥24.10.4com.vaadin:flow-gradle-plugin25.0.0 - 25.0.11≥25.0.12com.vaadin:flow-gradle-plugin25.1.0 - 25.1.4≥25.1.5

Risk And Classification

Primary CVSS: v4.0 1.6 LOW from [email protected]

CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:N/R:A/V:C/RE:L/U:Green

EPSS: 0.000160000 probability, percentile 0.038660000 (date 2026-05-27)

Problem Types: CWE-209 | CWE-209 CWE-209 Generation of Error Message Containing Sensitive Information

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary1.6LOWCVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N/E:U/C...
4.0CNACVSS1.6LOWCVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N/E:U/S...

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
High
Attack Requirements
Present
Privileges Required
Low
User Interaction
Passive
Confidentiality
High
Integrity
None
Availability
None
Sub Conf.
High
Sub Integrity
High
Sub Availability
None

CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:N/R:A/V:C/RE:L/U:Green

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Vaadin Flow affected 23.0.0 23.6.10 maven Not specified
CNA Vaadin Flow affected 24.0.0 24.9.17 maven Not specified
CNA Vaadin Flow affected 24.10.0 24.10.3 maven Not specified
CNA Vaadin Flow affected 25.0.0 25.0.11 maven Not specified
CNA Vaadin Flow affected 25.1.0 25.1.4 maven Not specified
CNA Vaadin Flow affected 23.0.0 23.6.10 maven Not specified
CNA Vaadin Flow affected 24.0.0 24.9.17 maven Not specified
CNA Vaadin Flow affected 24.10.0 24.10.3 maven Not specified
CNA Vaadin Flow affected 25.0.0 25.0.11 maven Not specified
CNA Vaadin Flow affected 25.1.0 25.1.4 maven Not specified
CNA Vaadin Flow affected 24.0.0 24.9.17 maven Not specified
CNA Vaadin Flow affected 24.10.0 24.10.3 maven Not specified
CNA Vaadin Flow affected 25.0.0 25.0.11 maven Not specified
CNA Vaadin Flow affected 25.1.0 25.1.4 maven Not specified

References

ReferenceSourceLinkTags
vaadin.com/security/cve-2026-7860 [email protected] vaadin.com
github.com/vaadin/flow/pull/24219 [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Users of affected versions should apply the following mitigation or upgrade.

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