CVE-2026-123504

EUVD-2026-119389
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 13%
Common Weakness Enumeration
References
https://github.com/go-vikunja/vikunja/security/advisories/GHSA-586f-48mj-3rwr
https://www.vulncheck.com/advisories/vikunja-0.22.0-before-2.7.1-webhook-url-credential-exposure-to-read-only-members