Unauthorized client-side property update in UIDL request handler in Vaadin 10 and 11
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | com.vaadin:vaadin-bom | >= 10.0.0, < 10.0.8, >= 11.0.0, < 11.0.3 | 10.0.8, 11.0.3 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N- Weakness (CWE)
CWE-754- Platform
- Java / Kotlin (Maven)
- Package
com.vaadin:vaadin-bom- Disclosed
- 19.04.2021
- Updated
- 11.10.2026 12:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-3h5r-928v-mxhh - CC BY 4.0
Vulnerability history: com.vaadin:vaadin-bom
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 18
- First → latest
- 04.2021 11.2021
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 5
- Medium 10
- Low 3
Disclosures per year
- 2021: 18
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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Unauthorized client-side property update in UIDL request handler in Vaadin 10 and 11 this entry
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