CVE-2026-123515 Details
Description
Vikunja before 2.7.1 contains a client-side request forgery vulnerability that allows users with write access to make viewers' clients request loopback or LAN addresses by storing img elements in rich text. Attackers can plant images in tasks, comments, project descriptions, or imported Markdown to trigger blind GET requests against local services and track when viewers open content.
A client-side request forgery vulnerability has been identified in Vikunja versions prior to 2.7.1. This vulnerability allows users with write access to embed images in rich text elements such as tasks, comments, project descriptions, or imported Markdown. The embedded images can be directed towards loopback or LAN addresses, triggering blind GET requests to local services when the content is viewed. This issue can be exploited to track when users open the affected content.
Users are advised to update to Vikunja version 2.7.1 or later, where this vulnerability has been patched.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Nov 8, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/go-vikunja/vikunja/security/advisories/GHSA-2f75-93c9-xf32 | [email protected] | AdvisoryTechnical AnalysisVendor |
| https://www.vulncheck.com/advisories/vikunja-before-2.7.1-client-side-request-forgery-via-stored-rich-text-images | [email protected] | AdvisoryRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-441 | Unintended Proxy or Intermediary ('Confused Deputy') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Vikunja | <= 2.7.0 (semver) |
CPE
Remediation
| |
Change History
1 change record found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 8, 2026 | New CVE Received | [email protected] |
Volerion