Vulnerability · Published Jun 12, 2026 · Assigned by INCIBE

CVE-2026-1836Stored credentials in Redmine

Medium 5.3

In plain English

A medium-severity security flaw in Redmine from Redmine. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)5.3Medium
Exploit odds (30 days)0.1%top 98.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The system stores the username and password from the login form after submitting the request. This could allow an attacker with access to the platform to return to the browser and view the login credentials.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12redmineno fix listedDEBIAN-CVE-2026-1836
Debian:13redmineno fix listedDEBIAN-CVE-2026-1836
Debian:14redmine6.1.3+ds-1DEBIAN-CVE-2026-1836

Affected products (as reported)

VendorProductVersions
Redmine Redmine 0 – before 6.0.70 – before 5.1.100 – before 5.0.14

Weakness: CWE-257 · Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

References