PatchSiren cyber security CVE debrief

CVE-2026-1836 Redmine CVE debrief

CVE-2026-1836 is a medium-severity vulnerability (CVSS Score: 5.3) that allows an attacker to view login credentials due to improper storage of username and password after a user submits a login request. The vulnerability was published on 2026-06-12T14:16:30.817Z and last modified on 2026-06-12T16:00:18.860Z. The affected vendor and product information is currently unknown.

Vendor: Redmine
Product: Unknown
CVSS: MEDIUM 5.3
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-12
Original CVE updated: 2026-06-12
Advisory published: 2026-06-12
Advisory updated: 2026-06-12

Who should care

Security teams and administrators concerned with protecting sensitive login credentials should be aware of this vulnerability.

Technical summary

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.

Defensive priority

Medium

Recommended defensive actions

Review and update login form handling to ensure credentials are not stored after submission.
Implement secure credential storage and management practices.
Monitor for potential exploitation attempts.

Evidence notes

Evidence suggests that the vulnerability was reported by Incibe (reference_domain_candidate).

Official resources

CVE-2026-1836 was published on 2026-06-12T14:16:30.817Z and last modified on 2026-06-12T16:00:18.860Z.