GHSA-c57f-4vp2-jqhm
Insecure temporary directory usage in frontend build functionality of Vaadin 14 and 15-19
Insecure temporary directory usage in frontend build functionality of com.vaadin:flow-server versions 2.0.9 through 2.5.2 (Vaadin 14.0.3 through Vaadin 14.5.2), 3.0 prior to 6.0 (Vaadin 15 prior to 19), and 6.0.0 through 6.0.5 (Vaadin 19.0.0 through 19.0.4) allows local users to inject malicious code into frontend resources during application rebuilds.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
What each source reports
GitHub Advisories Score used
Insecure temporary directory usage in frontend build functionality of Vaadin 14 and 15-19
Insecure temporary directory usage in frontend build functionality of com.vaadin:flow-server versions 2.0.9 through 2.5.2 (Vaadin 14.0.3 through Vaadin 14.5.2), 3.0 prior to 6.0 (Vaadin 15 prior to 19), and 6.0.0 through 6.0.5 (Vaadin 19.0.0 through 19.0.4) allows local users to inject malicious code into frontend resources during application rebuilds.
- Record
GHSA-c57f-4vp2-jqhm- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-379
- Updated
- 2026-11-02
OSV
Insecure temporary directory usage in frontend build functionality of Vaadin 14 and 15-19
Insecure temporary directory usage in frontend build functionality of com.vaadin:flow-server versions 2.0.9 through 2.5.2 (Vaadin 14.0.3 through Vaadin 14.5.2), 3.0 prior to 6.0 (Vaadin 15 prior to 19), and 6.0.0 through 6.0.5 (Vaadin 19.0.0 through 19.0.4) allows local users to inject malicious code into frontend resources during application rebuilds.
- Record
GHSA-c57f-4vp2-jqhm- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-379
- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
com.vaadin:flow-serverMaven | 2.0.9 to 2.5.2 | 2.5.3 |
com.vaadin:flow-serverMaven | 3.0.0 to 6.0.5 | 6.0.6 |
com.vaadin:flow-serverMaven | 2.0.9 up to 2.5.3, plus listed versions 2.0.102.0.112.0.122.0.132.0.14 Show 43 moreShow less2.0.152.0.162.0.172.0.182.0.192.1.02.1.0.beta22.1.12.1.22.1.32.1.42.1.52.1.62.1.72.1.82.1.92.2.02.2.0.alpha112.2.12.2.22.2.32.3.02.3.0.beta12.3.12.3.22.3.32.3.42.3.52.3.62.3.72.4.02.4.12.4.22.4.32.4.42.4.52.4.62.4.72.4.82.4.92.5.02.5.12.5.2 | 2.5.3 |
com.vaadin:flow-serverMaven | 3.0.0 up to 6.0.6, plus listed versions 3.0.13.0.23.0.33.0.43.0.5 Show 29 moreShow less3.0.63.0.73.1.03.1.13.1.23.1.33.1.53.1.63.1.74.0.04.0.14.0.24.0.34.0.44.0.54.0.64.0.74.0.85.0.05.0.15.0.25.0.35.0.46.0.06.0.16.0.26.0.36.0.46.0.5 | 6.0.6 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
GHSA-c57f-4vp2-jqhm is a medium vulnerability (CVSS 6.3) in com.vaadin:flow-server, published May 6, 2021. No source lists public exploit code. Fixed in com.vaadin:flow-server 2.5.3.