# com.vaadin:flow-server (Maven) vulnerabilities

12 known vulnerabilities (1 high, 6 medium, 5 low), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://central.sonatype.com/artifact/com.vaadin/flow-server

## Advisories (12)

### [CVE-2026-110737](https://cve.now/CVE-2026-110737): Push Endpoint Returns Permissive CORS Headers

- Severity: Low 2.3
- Published: Oct 27, 2026
- Affected: from 2.13.0, fixed in 2.13.8; from 23.6.0, fixed in 23.6.16; from 24.4.0, fixed in 24.4.19; from 24.5.0, through 24.5.17; from 24.6.0, through 24.6.14; from 24.7.0, fixed in 24.7.16; from 24.8.0, through 24.8.16; from 24.9.0, fixed in 24.9.29; from 24.10.0, fixed in 24.10.15; from 25.0.0, through 25.0.15; from 25.1.0, fixed in 25.1.19; from 25.2.0, fixed in 25.2.13; from 25.3.0, fixed in 25.3.4.

### [CVE-2026-2742](https://cve.now/CVE-2026-2742): Unauthorized session creation via reserved framework path access

- Severity: Medium 5.3
- Published: Mar 10, 2026
- Affected: from 1.0.0, through 2.13.0; from 3.0.0, through 23.6.7; from 24.0.0, through 24.9.7; from 25.0.0, fixed in 25.0.1; fixed in 14.14.1; from 23.0.0, fixed in 23.6.7; from 24.0.0, fixed in 24.9.8; from 25.0.0, fixed in 25.0.2.

### [CVE-2026-2741](https://cve.now/CVE-2026-2741): Zip Slip Path Traversal on Node Unpack

- Severity: Low 2.3
- Published: Mar 10, 2026
- Affected: from 2.2.0, through 2.13.0; from 3.0.0, through 23.6.7; from 24.0.0, through 24.9.9.

### [CVE-2023-25500](https://cve.now/CVE-2023-25500): Possible information disclosure in Vaadin 10.0.0 to 10.0.23, 11.0.0 to 14.10.1, 15.0.0 to 22.0.28, 23.0.0 to 23.3.13, 24.0.0 to 24.0.6…

- Severity: Low 3.5
- Published: Jun 22, 2023
- Affected: from 1.0.0, through 1.0.20; from 1.1.0, through 2.9.2; from 3.0.0, through 9.1.1; from 23.0.0, through 23.3.12; from 24.0.0, through 24.0.8; from 24.1.0.alpha1, through 24.1.0.rc3; from 1.0.0, fixed in 1.0.21; from 1.1.0, fixed in 2.9.3; from 3.0.0, fixed in 9.1.2; from 23.0.0, fixed in 23.3.13; from 24.0.0, fixed in 24.0.9; from 24.1.alpha1, fixed in 24.1.0.

### [CVE-2023-25499](https://cve.now/CVE-2023-25499): Possible information disclosure in non visible components

- Severity: Medium 5.7
- Published: Jun 22, 2023
- Affected: from 1.0.0, fixed in 1.0.20; from 1.1.0, fixed in 2.8.10; from 3.0.0, fixed in 9.1.1; from 23.0.0, fixed in 23.3.11; from 24.0.0, fixed in 24.0.8; from 24.1.0.alpha1, fixed in 24.1.0.

### [CVE-2021-31407](https://cve.now/CVE-2021-31407): Server classes and resources exposure in OSGi applications using Vaadin 12-14 and 19

- Severity: High 8.6
- Published: Apr 23, 2021
- Affected: from 1.2.0, fixed in 2.4.8; from 6.0.0, fixed in 6.0.1.

### [CVE-2021-31406](https://cve.now/CVE-2021-31406): Timing side channel vulnerability in endpoint request handler in Vaadin 15-19

- Severity: Medium 4.0
- Published: Apr 23, 2021
- Affected: from 3.0.0, fixed in 5.0.4; from 6.0.0, fixed in 6.0.1.

### [CVE-2021-31404](https://cve.now/CVE-2021-31404): Timing side channel vulnerability in UIDL request handler in Vaadin 10, 11-14, and 15-18

- Severity: Medium 4.0
- Published: Apr 23, 2021
- Affected: from 1.0.0, fixed in 1.0.14; from 1.1.0, fixed in 2.4.7; from 3.0.0, fixed in 5.0.3.

### [CVE-2020-36321](https://cve.now/CVE-2020-36321): Directory traversal in development mode handler in Vaadin 14 and 15-17

- Severity: Medium 5.9
- Published: Apr 23, 2021
- Affected: from 3.0.0, fixed in 5.0.0; from 2.0.0, fixed in 2.4.2.

### [CVE-2020-36319](https://cve.now/CVE-2020-36319): Potential sensitive data exposure in applications using Vaadin 15

- Severity: Low 3.1
- Published: Apr 23, 2021
- Affected: from 3.0.0, fixed in 3.0.6.

### [CVE-2019-25027](https://cve.now/CVE-2019-25027): Reflected cross-site scripting in default RouteNotFoundError view in Vaadin 10 and 11-13

- Severity: Medium 6.1
- Published: Apr 23, 2021
- Affected: from 1.0.0, fixed in 1.0.11; from 1.1.0, fixed in 1.4.3.

### [CVE-2018-25007](https://cve.now/CVE-2018-25007): Unauthorized client-side property update in UIDL request handler in Vaadin 10 and 11

- Severity: Low 2.6
- Published: Apr 23, 2021
- Affected: from 1.0.0, fixed in 1.0.6.

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/packages/maven/com.vaadin:flow-server
Site guide for agents: https://cve.now/llms.txt
Uses NVD data; not endorsed by NVD.