Description
Open redirect vulnerability in the valid_back_url function in app/controllers/application_controller.rb in Redmine before 2.6.7, 3.0.x before 3.0.5, and 3.1.x before 3.1.1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a crafted back_url parameter, as demonstrated by "@attacker.com," a different vulnerability than CVE-2014-1985.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | redmine | 3.2.0-1 | — |
| Debian 13 | redmine | 3.2.0-1 | — |
| Debian 12 | redmine | 3.2.0-1 | — |
| Debian 8 | redmine | 3.0~20140825-8~deb8u2 | DSA-3529-1 |
Advisories 1
- DSA-3529-1 redmine - security update Debian Security (DSA / DLA) · Mar 9, 2026