# Vikunja API vulnerabilities

Source: https://junglewise.ai/threats/technologies/vikunja-api  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/vikunja-api.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 6 vulnerabilities in Vikunja API: 0 in the last 7 days and 6 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, Vikunja CalDAV relation creation bypasses authorization, was published on 19 October 2026. 3 vulnerabilities in the last four weeks, level on the four before (3).

## Counts

- Last 7 days: 0
- Last 30 days: 3
- Last 90 days: 6
- All time: 6 (0 critical, 0 exploited in the wild)

## Latest Vikunja API vulnerabilities

- [Vikunja CalDAV relation creation bypasses authorization](https://junglewise.ai/threats/go-2026-6732-vikunja-caldav-relation-creation-bypasses-taskrelation-65a4724c) (info, published 19 Oct 2026)
- [Vikunja cross-project task disclosure through subtask expansion](https://junglewise.ai/threats/go-2026-6714-vikunja-cross-project-task-disclosure-through-subtask-cba3685c) (info, published 19 Oct 2026)
- [Vikunja information disclosure in task assignees endpoint](https://junglewise.ai/threats/go-2026-6723-vikunja-assignee-email-addresses-disclosed-to-read-only-e328c145) (info, published 19 Oct 2026)
- [Vikunja API token scope bypass via task expand parameter](https://junglewise.ai/threats/duplicate-advisory-vikunja-api-token-scopes-bypassed-via-task-expand-3becbdd0) (medium, CVSS 4.3, published 15 Sep 2026)
- [Vikunja resource exhaustion in CSV migration endpoint](https://junglewise.ai/threats/duplicate-advisory-vikunja-unbounded-csv-row-cardinality-permits-api-dfea8751) (medium, CVSS 6.5, published 15 Sep 2026)
- [Vikunja TOTP secret readable after enrollment without reauthentication](https://junglewise.ai/threats/duplicate-advisory-vikunja-totp-secret-is-readable-after-enrollment-no-e7b98756) (medium, CVSS 4.3, published 15 Sep 2026)

## Most severe Vikunja API vulnerabilities

- [Vikunja resource exhaustion in CSV migration endpoint](https://junglewise.ai/threats/duplicate-advisory-vikunja-unbounded-csv-row-cardinality-permits-api-dfea8751) (medium, CVSS 6.5, published 15 Sep 2026)
- [Vikunja API token scope bypass via task expand parameter](https://junglewise.ai/threats/duplicate-advisory-vikunja-api-token-scopes-bypassed-via-task-expand-3becbdd0) (medium, CVSS 4.3, published 15 Sep 2026)
- [Vikunja TOTP secret readable after enrollment without reauthentication](https://junglewise.ai/threats/duplicate-advisory-vikunja-totp-secret-is-readable-after-enrollment-no-e7b98756) (medium, CVSS 4.3, published 15 Sep 2026)
- [Vikunja CalDAV relation creation bypasses authorization](https://junglewise.ai/threats/go-2026-6732-vikunja-caldav-relation-creation-bypasses-taskrelation-65a4724c) (info, published 19 Oct 2026)
- [Vikunja cross-project task disclosure through subtask expansion](https://junglewise.ai/threats/go-2026-6714-vikunja-cross-project-task-disclosure-through-subtask-cba3685c) (info, published 19 Oct 2026)
- [Vikunja information disclosure in task assignees endpoint](https://junglewise.ai/threats/go-2026-6723-vikunja-assignee-email-addresses-disclosed-to-read-only-e328c145) (info, published 19 Oct 2026)

## Vulnerabilities per week

3 vulnerabilities in the last four weeks, level on the four before (3).

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 3 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 3 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Vikunja technologies

- [Vikunja](https://junglewise.ai/threats/technologies/vikunja): 91 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Vikunja API vulnerabilities", https://junglewise.ai/threats/technologies/vikunja-api, 9 November 2026.