GHSA-82mf-mmh7-hxp5
Directory traversal in development mode handler in Vaadin 14 and 15-17
Improper URL validation in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.4.1 (Vaadin 14.0.0 through 14.4.2), and 3.0 prior to 5.0 (Vaadin 15 prior to 18) allows attacker to request arbitrary files stored outside of intended frontend resources folder.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
What each source reports
GitHub Advisories Score used
Directory traversal in development mode handler in Vaadin 14 and 15-17
Improper URL validation in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.4.1 (Vaadin 14.0.0 through 14.4.2), and 3.0 prior to 5.0 (Vaadin 15 prior to 18) allows attacker to request arbitrary files stored outside of intended frontend resources folder.
- Record
GHSA-82mf-mmh7-hxp5- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
Directory traversal in development mode handler in Vaadin 14 and 15-17
Improper URL validation in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.4.1 (Vaadin 14.0.0 through 14.4.2), and 3.0 prior to 5.0 (Vaadin 15 prior to 18) allows attacker to request arbitrary files stored outside of intended frontend resources folder.
- Record
GHSA-82mf-mmh7-hxp5- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
com.vaadin:vaadin-bomMaven | 14.0.0 up to 14.4.3 | 14.4.3 |
com.vaadin:vaadin-bomMaven | 15.0.0 up to 18.0.0 | 18.0.0 |
com.vaadin:vaadin-bomMaven | 14.0.0 up to 14.4.3, plus listed versions 14.0.114.0.1014.0.1114.0.1214.0.13 Show 45 moreShow less14.0.1414.0.1514.0.214.0.314.0.414.0.514.0.614.0.714.0.814.0.914.1.014.1.114.1.1614.1.1714.1.1814.1.1914.1.214.1.2014.1.2114.1.2214.1.2314.1.2414.1.2514.1.2614.1.2714.1.2814.1.314.1.414.1.514.2.014.2.114.2.214.2.314.3.014.3.114.3.214.3.314.3.414.3.514.3.614.3.714.3.814.3.914.4.014.4.1 | 14.4.3 |
com.vaadin:vaadin-bomMaven | 15.0.0 up to 18.0.0, plus listed versions 15.0.115.0.215.0.315.0.415.0.5 Show 18 moreShow less15.0.616.0.016.0.116.0.216.0.316.0.416.0.517.0.017.0.117.0.1017.0.1117.0.217.0.317.0.417.0.617.0.717.0.817.0.9 | 18.0.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
GHSA-82mf-mmh7-hxp5 is a medium vulnerability (CVSS 5.9) in com.vaadin:vaadin-bom, published April 19, 2021. No source lists public exploit code. Fixed in com.vaadin:vaadin-bom 14.4.3.
References
Left out here: 1 version. The JSON record has them.