CVE-2026-115507 Vikunja 2.2.0 before 2.7.1 HTML Injection via Notification Email Header
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-115507?
CVE-2026-115507 is a medium-severity vulnerability in go-vikunja vikunja, published on 22 Oct 2026.
Official description
Vikunja 2.2.0 before 2.7.1 contains an HTML injection vulnerability in CreateConversationalHeader in pkg/notifications/mail.go that interpolates display names and task and project titles raw into email anchors. Authenticated users can craft titles or display names that close the anchor and inject phishing links into task-comment and task-mention notification emails sent to project members.
Weakness: CWE-79
Which versions are affected by CVE-2026-115507?
How do I fix CVE-2026-115507?
No fix has been published for CVE-2026-115507 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-115507 being exploited?
There is no known exploitation of CVE-2026-115507 in the wild and no public exploit code.
Sources
Also known as GHSA-j37p-9r5c-rjgj, GHSA-rp33-8f2m-hm6j.