Open Redirect Vulnerability in Kanboard Project Management Software
CVE-2026-21879

4.7MEDIUM

Key Information:

Vendor

Kanboard

Status
Kanboard
Vendor
CVE Published:
8 January 2026

What is CVE-2026-21879?

Kanboard, a project management tool leveraging Kanban principles, is susceptible to an Open Redirect vulnerability in versions prior to 1.2.49. This flaw enables malicious entities to redirect logged-in users to harmful sites by crafting deceptive URLs, circumventing existing validation mechanisms. This exploitation can lead to various threats including phishing attempts, credential theft, and potential malware distribution. Users are strongly encouraged to upgrade to version 1.2.49 to mitigate risks.

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Deploy the Patch

Affected Version(s)

kanboard < 1.2.49

References

https://github.com/kanboard/kanboard/security/advisories/...
x_refsource_CONFIRM
https://github.com/kanboard/kanboard/commit/93bcae03301a6...
x_refsource_MISC
https://github.com/kanboard/kanboard/releases/tag/v1.2.49
x_refsource_MISC

CVSS V3.1

Score:
4.7
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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