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Vulnerability record · CVE-2021-31863 · published 28 April 2021

CVE-2021-31863: Redmine improper input validation vulnerability

Redmine · Redmine

Insufficient input validation in the Git repository integration of Redmine before 4.0.9, 4.1.x before 4.1.3, and 4.2.x before 4.2.1 allows Redmine users to read arbitrary local files accessible by the application server process.

7.5 CVSS 3.1 High EPSS 1.7% · top 23.2% CWE-20 · Improper input validation
7.5CVSS 3.1 base score, v2 5.0
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Insufficient input validation in the Git repository integration of Redmine before 4.0.9, 4.1.x before 4.1.3, and 4.2.x before 4.2.1 allows Redmine users to read arbitrary local files accessible by the application server process.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.debian.org/debian-lts-announce/2021/05/msg00013.html Mailing ListThird Party Advisory
https://www.redmine.org/news/131 Vendor Advisory
https://www.redmine.org/projects/redmine/wiki/Security_Advisories Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/05/msg00013.html Mailing ListThird Party Advisory
https://www.redmine.org/news/131 Vendor Advisory
https://www.redmine.org/projects/redmine/wiki/Security_Advisories Vendor Advisory

Track CVE-2021-31863 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2021-31863), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.