Vulnerability Report: GO-2026-6753
- CVE-2026-68581, GHSA-vvcv-vpph-h844
- Affects: code.vikunja.io/api
- Published: Oct 19, 2026
- Unreviewed
Vikunja: Link-share principal ID collision allows cross-account API token issuance and management in code.vikunja.io/api. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: code.vikunja.io/api before v2.4.0.
For detailed information about this vulnerability, visit https://github.com/go-vikunja/vikunja/security/advisories/GHSA-vvcv-vpph-h844 or https://nvd.nist.gov/vuln/detail/CVE-2026-68581.
Affected Modules
-
PathGo VersionsCustom Versions*
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all versions, no known fixedbefore 2.4.0
*Custom versions, which can't be mapped automatically to standard Go module versions, are ignored by govulncheck. (See this note on versions for more details.)
Aliases
References
- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-vvcv-vpph-h844
- https://nvd.nist.gov/vuln/detail/CVE-2026-68581
- https://github.com/go-vikunja/vikunja/commit/95b7e673fb5ee407498fa4b13e8b4c57847a4a0b
- https://github.com/go-vikunja/vikunja/commit/e6b25bd57b537ef9a72b5acdadf446ca5ef77bfa
- https://github.com/go-vikunja/vikunja/releases/tag/v2.4.0
- https://www.vulncheck.com/advisories/vikunja-through-authentication-bypass-via-principal-id-collision
- https://vuln.go.dev/ID/GO-2026-6753.json