Vikunja: Read-only project members can obtain any link share's access hash via the single-share read endpoint (v1 and v2) and escalate to the share's permission level in code.vikunja.io/api
Vikunja: Read-only project members can obtain any link share's access hash via the single-share read endpoint (v1 and v2) and escalate to the share's permission level 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 v2.6.0.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-91985US | —OT elevated | — | ||
Vikunja before 2.6.0 fails to properly restrict access to the link-share hash field in single-share read endpoints, allowing read-only members to obtain the share's secret credenti… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/go-vikunja/vikunja/commit/077dc4de79ce6f1ab59215a2c7bf9b30423685f2WEB
- https://github.com/go-vikunja/vikunja/pull/3688WEB
- https://github.com/go-vikunja/vikunja/releases/tag/v2.6.0WEB
- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-qfwc-vx6f-3g6gADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-91985ADVISORY
- https://www.vulncheck.com/advisories/vikunja-before-2.6.0-privilege-escalation-via-link-share-hashWEB
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