CVE-2021-31863

critical

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

9.5

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.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-31863

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202105-1

OS impact

OS	Version	Status	Fixed in
arch		fixed	`4.2.1-1`
debian	bookworm	fixed	`5.0.0-1`
debian	sid	fixed	`5.0.0-1`
debian	trixie	fixed	`5.0.0-1`

References

https://security.archlinux.org/ASA-202105-1
https://security-tracker.debian.org/tracker/CVE-2021-31863

Verify integrity in audit chain (admin only). AS-IS.