CVE-2026-91983
Last modified
CVE-2026-91983 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Vikunja before 2.6.0 contains an API token scope bypass vulnerability in task read endpoints where authorization fails to inspect query string parameters. Attackers with limited token scopes can use the expand parameter to access restricted data like comments, reactions, and time entries without proper permission verification.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
Vikunja before 2.6.0 contains an API token scope bypass vulnerability in task read endpoints where authorization fails to inspect query string parameters. Attackers with limited token scopes can use the expand parameter to access restricted data like comments, reactions, and time entries without proper permission verification.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| go-vikunja | vikunja | >= 1.0.0, < 2.6.0 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
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