CVE-2026-115507
CVE-2026-115507 · Vikunja 2.2.0 before 2.7.1 HTML Injection via Notification Email Header
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 5.1 · Medium · EPSS 0.2% · Fix available
- Published
- Updated
Affected products and versions
vikunja
- Versions
- ≥ 2.2.0, < 2.7.1: Affected (semver)
- 2.7.1: Not affected (semver)
Update to 2.7.1
Original sources
- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-rp33-8f2m-hm6j
- https://github.com/go-vikunja/vikunja/commit/18ff05932632c65dbc90a88118597989c6af4bf9
- https://github.com/go-vikunja/vikunja/blob/v2.7.0/pkg/notifications/mail.go#L132-L148
- https://github.com/go-vikunja/vikunja/releases/tag/v2.7.1
- https://github.com/go-vikunja/vikunja
- https://www.vulncheck.com/advisories/vikunja-2.2.0-before-2.7.1-html-injection-via-notification-email-header
- https://nvd.nist.gov/vuln/detail/CVE-2026-115507