Unauthorized client-side property update in UIDL request handler in Vaadin 10 and 11
Priority LOW 21CWE-754Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
Missing check in UIDL request handler in com.vaadin:flow-server versions 1.0.0 through 1.0.5 (Vaadin 10.0.0 through 10.0.7, and 11.0.0 through 11.0.2) allows attacker to update element property values via crafted synchronization message.
Why it matters now
EPSS 0.00574 47th percentileScored 2026-11-07
Fix Fixed com.vaadin:flow-server (Maven): 1.0.6
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Vaadin | Vaadin | 10.0.0 and later | — | No fix listed | CNA |
| Vaadin | flow-server | 1.0.0 and later | — | No fix listed | CNA |
| — | com.vaadin:flow-server (Maven) | 1.0.0 to before 1.0.6 | 1.0.6 | Patch available | GHSA-jmx8-355m-8vwh |
Remediation
- Fix · GHSA-jmx8-355m-8vwh com.vaadin:flow-server (Maven) Fixed in 1.0.6 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2018-25007
- 2026-10-03 Alias added: GHSA-jmx8-355m-8vwh
References
More Vaadin Flow vulnerabilities
- TI-2021-11539 Server classes and resources exposure in OSGi applications using Vaadin 12-14 and 19 CVSS 3.1HIGH 8.6
- TI-2021-11537 Regular expression denial of service (ReDoS) in EmailField component in Vaadin 14 and 15-17 CVSS 3.1HIGH 7.5
- TI-2020-18604 Directory traversal in development mode handler in Vaadin 14 and 15-17 CVSS 3.1HIGH 7.5
- TI-2021-11543 Insecure temporary directory usage in frontend build functionality of Vaadin 14 and 15-19 CVSS 3.1HIGH 7.8
- TI-2021-11540 Server session is not invalidated when logout() helper method of Authentication module is used in Vaadin 18-19 CVSS 3.1HIGH 7.1
- TI-2020-18602 Potential sensitive data exposure in applications using Vaadin 15 CVSS 3.1MEDIUM 6.5
Sources
- CVE-2018-25007 · CVE Program
- CVE-2018-25007 · NVD
- FIRST EPSS
- GHSA-jmx8-355m-8vwh · GitHub Advisory Database · CC BY 4.0
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