CVE-2026-115507

Vikunja 2.2.0 before 2.7.1 HTML Injection via Notification Email Header

LOW
3.5
CVSS Score
Published: October 22, 2026 at 07:14 PM UTC
Updated: October 23, 2026 at 01:19 PM UTC
1 product affected across 1 vendorVikunja

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Severity
LOW3.5
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 2.7.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

3.5LOWVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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