CVE-2026-123504

MEDIUM 4.3

Vikunja 0.22.0 before 2.7.1 Webhook URL Credential Exposure to Read-Only Members

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

Vikunja from 0.22.0 before 2.7.1 contains an information disclosure vulnerability that allows read-only project members to view full webhook target URLs by listing project webhooks. Attackers can extract incoming-webhook tokens or API keys embedded in target_url values to post to receiving channels or reuse keys until rotated.

CWE	CWE-200
Vendor	go-vikunja
Product	vikunja
Published	Nov 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

go-vikunja / vikunja

0.22.0 < 2.7.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/go-vikunja/vikunja/security/advisories/GHSA-586f-48mj-3rwr vulncheck.com: https://www.vulncheck.com/advisories/vikunja-0.22.0-before-2.7.1-webhook-url-credential-exposure-to-read-only-members