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Package details: pkg:maven/com.vaadin/flow-server@3.1.2
purl pkg:maven/com.vaadin/flow-server@3.1.2
Next non-vulnerable version 23.6.7
Latest non-vulnerable version 25.0.2
Risk 3.1
Vulnerabilities affecting this package (9)
Vulnerability Summary Fixed by
VCID-2fz6-rucr-xqax
Aliases:
CVE-2021-31406
GHSA-p7jq-v8jp-j424
Information Exposure Through Discrepancy Non-constant-time comparison of CSRF tokens in endpoint request handler allows attacker to guess a security token for Fusion endpoints via timing attack.
5.0.4
Affected by 6 other vulnerabilities.
6.0.1
Affected by 7 other vulnerabilities.
VCID-5nk4-urbw-suee
Aliases:
CVE-2020-36321
GHSA-49r2-73m6-pp8f
Path Traversal Improper URL validation in development mode handler in `com.vaadin:flow-server` allows attacker to request arbitrary files stored outside of intended frontend resources folder.
4.0.1
Affected by 7 other vulnerabilities.
5.0.0
Affected by 8 other vulnerabilities.
VCID-hqrf-7nbq-9bdw
Aliases:
CVE-2021-31404
GHSA-xwg3-qrcg-w9x6
Information Exposure Through Discrepancy A non-constant-time comparison of CSRF tokens in UIDL request handler in `com.vaadin:flow-server` allows attacker to guess a security token via timing attack.
4.0.1
Affected by 7 other vulnerabilities.
5.0.3
Affected by 7 other vulnerabilities.
VCID-jxzf-6sus-t7et
Aliases:
GHSA-c57f-4vp2-jqhm
GMS-2021-141
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. - https://vaadin.com/security/cve-2021-31411
6.0.6
Affected by 5 other vulnerabilities.
VCID-kkf3-sqmf-f3ft
Aliases:
GHSA-fr26-qjc8-mvjx
GMS-2021-142
Possible route enumeration in production mode via RouteNotFoundError view in Vaadin 10, 11-14, and 15-19 Improper sanitization of path in default `RouteNotFoundError` view in `com.vaadin:flow-server` versions 1.0.0 through 1.0.14 (Vaadin 10.0.0 through 10.0.18), 1.1.0 prior to 2.0.0 (Vaadin 11 prior to 14), 2.0.0 through 2.6.1 (Vaadin 14.0.0 through 14.6.1), and 3.0.0 through 6.0.9 (Vaadin 15.0.0 through 19.0.8) allows network attacker to enumerate all available routes via crafted HTTP request when application is running in production mode and no custom handler for `NotFoundException` is provided.
6.0.10
Affected by 3 other vulnerabilities.
VCID-qdgn-1rqg-vuae
Aliases:
CVE-2023-25499
GHSA-5f9v-mv5g-jh5q
Exposure of Sensitive Information to an Unauthorized Actor When adding non-visible components to the UI in server side, content is sent to the browser in Vaadin 10.0.0 through 10.0.22, 11.0.0 through 14.10.0, 15.0.0 through 22.0.28, 23.0.0 through 23.3.12, 24.0.0 through 24.0.5 and 24.1.0.alpha1 to 24.1.0.beta1, resulting in potential information disclosure.
9.1.1
Affected by 2 other vulnerabilities.
23.3.11
Affected by 2 other vulnerabilities.
24.0.8
Affected by 2 other vulnerabilities.
24.1.0
Affected by 1 other vulnerability.
VCID-rqmz-fd9j-ykea
Aliases:
GHSA-8vfw-v2jv-9hwc
GMS-2021-140
Improper Neutralization in com.vaadin:flow-server.
6.0.10
Affected by 3 other vulnerabilities.
VCID-tfwa-kphb-j3b8
Aliases:
CVE-2023-25500
GHSA-ch48-9r3q-pv7x
Exposure of Sensitive Information to an Unauthorized Actor 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, 24.1.0.alpha1 to 24.1.0.rc2, resulting in potential information disclosure of class and method names in RPC responses by sending modified requests.
9.1.2
Affected by 1 other vulnerability.
23.3.13
Affected by 1 other vulnerability.
24.0.9
Affected by 1 other vulnerability.
24.1.0
Affected by 1 other vulnerability.
VCID-y1d5-d3uj-5qhm
Aliases:
CVE-2026-2742
GHSA-rjgh-wgc7-m37j
Vaadin Vulnerable to Authentication Bypass When Accessing the /VAADIN Endpoint Without a Trailing Slash An authentication bypass vulnerability exists in Vaadin 14.0.0 through 14.14.0, 23.0.0 through 23.6.6, 24.0.0 through 24.9.7 and 25.0.0 through 25.0.1, applications using Spring Security due to inconsistent path pattern matching of reserved framework paths. Accessing the /VAADIN endpoint without a trailing slash bypasses security filters, and allowing unauthenticated users to trigger framework initialization and create sessions without proper authorization. Users of affected versions using Spring Security should upgrade as follows: 14.0.0-14.14.0 upgrade to 14.14.1, 23.0.0-23.6.6 to 23.6.7, 24.0.0 - 24.9.7 to 24.9.8, and 25.0.0-25.0.1 upgrade to 25.0.2 or newer. Please note that Vaadin versions 10-13 and 15-22 are no longer supported and users should update either to the latest 14, 23, 24, 25 version.
14.14.1
Affected by 0 other vulnerabilities.
23.6.7
Affected by 0 other vulnerabilities.
24.9.8
Affected by 0 other vulnerabilities.
25.0.2
Affected by 0 other vulnerabilities.
Vulnerabilities fixed by this package (0)
Vulnerability Summary Aliases
This package is not known to fix vulnerabilities.

Date Actor Action Vulnerability Source VulnerableCode Version
2026-06-06T07:16:26.149936+00:00 GitLab Importer Affected by VCID-y1d5-d3uj-5qhm https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/com.vaadin/flow-server/CVE-2026-2742.yml 38.6.0
2026-06-06T03:52:01.854802+00:00 GitLab Importer Affected by VCID-qdgn-1rqg-vuae https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/com.vaadin/flow-server/CVE-2023-25499.yml 38.6.0
2026-06-06T03:51:57.561661+00:00 GitLab Importer Affected by VCID-tfwa-kphb-j3b8 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/com.vaadin/flow-server/CVE-2023-25500.yml 38.6.0
2026-06-06T01:02:56.823025+00:00 GitLab Importer Affected by VCID-kkf3-sqmf-f3ft https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/com.vaadin/flow-server/GMS-2021-142.yml 38.6.0
2026-06-06T00:47:06.822254+00:00 GitLab Importer Affected by VCID-rqmz-fd9j-ykea https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/com.vaadin/flow-server/GMS-2021-140.yml 38.6.0
2026-06-06T00:35:49.929941+00:00 GitLab Importer Affected by VCID-jxzf-6sus-t7et https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/com.vaadin/flow-server/GMS-2021-141.yml 38.6.0
2026-06-04T20:50:05.362242+00:00 GitLab Importer Affected by VCID-5nk4-urbw-suee https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/com.vaadin/flow-server/CVE-2020-36321.yml 38.6.0
2026-06-04T20:50:04.938721+00:00 GitLab Importer Affected by VCID-hqrf-7nbq-9bdw https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/com.vaadin/flow-server/CVE-2021-31404.yml 38.6.0
2026-06-04T20:50:04.576467+00:00 GitLab Importer Affected by VCID-2fz6-rucr-xqax https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/com.vaadin/flow-server/CVE-2021-31406.yml 38.6.0