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CVE-2026-7860

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Summary

A 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. Re

Description

A 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 - 24.10.3
Vaadin 25.0.0 - 25.1.4

Mitigation
Upgrade to 23.6.10
Upgrade to 24.10.4 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 - 24.10.3≥24.10.4com.vaadin:flow-plugin-base25.0.0 - 25.1.4≥25.1.5com.vaadin:flow-maven-plugin23.0.0 - 23.6.10≥23.6.11com.vaadin:flow-maven-plugin24.0.0 - 24.10.3≥24.10.4com.vaadin:flow-maven-plugin25.0.0 - 25.1.4≥25.1.5com.vaadin:flow-gradle-plugin24.0.0 - 24.10.3≥24.10.4com.vaadin:flow-gradle-plugin25.0.0 - 25.1.4≥25.1.5

CVSS Score
-
EPSS Score
0.0
Exploit Probability
Published Date
2026-05-19
First Seen: 2026-05-20
🎯 CISA SSVC Assessment Updated: May 19, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Partial
Limited system impact
SSVC data provided by CISA
Last Modified 2026-05-19
Source NVD 🔗
CVSS Vector 4.0 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
CWE IDs (Weakness Types)
CWE-209

📦 Affected Products 0

No affected products information available

🔗 References 2

https://github.com/vaadin/flow/pull/24219
https://vaadin.com/security/cve-2026-7860