VulnerableCode Package Details - pkg:maven/com.vaadin/flow-server@3.1.5

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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 0 other vulnerabilities. 6.0.1 Affected by 1 other vulnerability. This version is affected by these other vulnerabilities: {{ fixed_by_vuln.vulnerability_id }}
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 1 other vulnerability. This version is affected by these other vulnerabilities: {{ fixed_by_vuln.vulnerability_id }} 5.0.0 Affected by 2 other vulnerabilities. This version is affected by these other vulnerabilities: {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }}
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 1 other vulnerability. This version is affected by these other vulnerabilities: {{ fixed_by_vuln.vulnerability_id }} 5.0.3 Affected by 1 other vulnerability. This version is affected by these other vulnerabilities: {{ fixed_by_vuln.vulnerability_id }}

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 0 other vulnerabilities.

6.0.1
Affected by 1 other vulnerability.

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 1 other vulnerability.

5.0.0
Affected by 2 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 1 other vulnerability.

5.0.3
Affected by 1 other vulnerability.

Vulnerability	Summary	Aliases
This package is not known to fix vulnerabilities.

Vulnerability

Summary

Aliases

This package is not known to fix vulnerabilities.

Date	Actor	Action	Vulnerability	Source	VulnerableCode Version
2026-06-04T20:50:05.365568+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
2026-06-04T20:50:04.942767+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
2026-06-04T20:50:04.581330+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