Priority HIGH 81
Vikunja before 2.2.1 contains an authorization flaw where the LinkSharing.ReadAll endpoint exposes share hashes to users with read access, enabling permission escalation to admin-level shares.
CVSS 4.0CRITICAL 9.3· Network · No auth · No interaction · EPSS 0.00512 · Published 2026-07-10 · Fixed in 2.2.1 CWE-639
Priority HIGH 80
Vikunja is an open-source self-hosted task management platform.
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00473 · Published 2026-02-25 · Fixed in 2.0.0 CWE-521
TI-2026-62115 CVE-2026-91985 · GHSA-37rx-7pj5-p885 · GHSA-qfwc-vx6f-3g6g Priority HIGH 77
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 credential.
CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00432 · Published 2026-09-15 · Fixed in 2.6.0 CWE-200
TI-2026-62108 CVE-2026-91973 · GHSA-m469-88xx-8rx2 · GHSA-p2vv-wrh8-x466 Priority HIGH 77
Vikunja before 2.6.0 contains an authentication bypass vulnerability in CalDAV BasicAuth endpoints that lack rate limiting protection.
CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00672 · Published 2026-09-15 · Fixed in 2.6.0 CWE-307
TI-2026-62107 CVE-2026-91972 · GHSA-6rvj-qwjf-3m4q · GHSA-m4vj-wr5q-cmvr Priority HIGH 77
Vikunja versions before 2.6.0 fail to apply rate limiting to /api/v2 public authentication endpoints including login, register, password-reset, and OAuth token routes.
CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00633 · Published 2026-09-15 · Fixed in 2.6.0 CWE-307
Priority HIGH 74
Vikunja is an open-source self-hosted task management platform.
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00292 · Published 2026-04-10 · Fixed in 2.3.0 CWE-287
TI-2026-48322 CVE-2026-68582 · GHSA-p4r4-8cxw-pjx7 · GHSA-rj9j-8772-4h6c Priority HIGH 73
Vikunja versions >= 0.24.0 and <= 2.3.0 contain a broken object level authorization (BOLA) vulnerability in the task-collection endpoint (GET /api/v1/projects/{project}/views/{view}/tasks).
CVSS 4.0CRITICAL 9.3· Network · No auth · No interaction · EPSS 0.0033 · Published 2026-08-02 · Fixed in 2.4.0 CWE-639
TI-2026-48321 CVE-2026-68581 · GHSA-9jrx-vmh8-c6xw · GHSA-vvcv-vpph-h844 Priority HIGH 72
Vikunja versions 0.22.0 through 2.3.0 fail to validate the principal type in API token management.
CVSS 4.0HIGH 8.6· Network · Low privileges · No interaction · EPSS 0.00464 · Published 2026-08-02 · Fixed in 2.4.0 CWE-863
Priority HIGH 72
Vikunja is an open-source self-hosted task management platform.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00405 · Published 2026-03-24 · Fixed in 2.2.2 CWE-285
Priority HIGH 72
Vikunja is a todo-app to organize your life.
CVSS 4.0HIGH 8.6· Network · No auth · User interaction · EPSS 0.00259 · Published 2026-02-11 · Fixed in 1.1.0 CWE-80
Priority HIGH 71
Vikunja is an open-source self-hosted task management platform.
CVSS 3.1HIGH 8.3· Network · Low privileges · No interaction · EPSS 0.00295 · Published 2026-04-10 · Fixed in 2.3.0 CWE-269
Priority HIGH 70
Vikunja is an open-source self-hosted task management platform.
CVSS 3.1HIGH 8.1· Network · No auth · No interaction · EPSS 0.00276 · Published 2026-10-09 · Fixed in 2.4.0 CWE-312
Priority HIGH 70
Vikunja is an open-source self-hosted task management platform.
CVSS 3.1HIGH 8.1· Network · Low privileges · No interaction · EPSS 0.0033 · Published 2026-10-09 · Fixed in 2.4.0 CWE-269
Priority HIGH 70
Vikunja is an open-source self-hosted task management platform.
CVSS 3.1HIGH 8.1· Network · Low privileges · No interaction · EPSS 0.00377 · Published 2026-03-24 · Fixed in 2.2.0 CWE-284
Priority HIGH 70
Vikunja is an open-source self-hosted task management platform.
CVSS 4.0MEDIUM 6.9· Network · No auth · No interaction · EPSS 0.00314 · Published 2026-03-24 · Fixed in 2.2.0 CWE-288
Priority HIGH 68
Vikunja is an open-source self-hosted task management platform.
CVSS 3.1HIGH 8.1· Network · Low privileges · No interaction · EPSS 0.00504 · Published 2026-08-28 · Fixed in 2.4.0 CWE-285
Priority HIGH 68
Vikunja is an open-source self-hosted task management platform.
CVSS 3.1MEDIUM 6.5· Network · No auth · No interaction · EPSS 0.00317 · Published 2026-04-10 · Fixed in 2.3.0 CWE-613
Priority HIGH 67
Vikunja from 2.2.0 before 2.7.0 contains a permissive CORS configuration that trusts every localhost and 127.0.0.1 port with credentials, even when service.publicurl is set.
CVSS 4.0HIGH 7.2· Local · No auth · User interaction · EPSS 0.0015 · Published 2026-10-17 · Fixed in 2.7.0 CWE-942
Priority HIGH 67
Vikunja is an open-source self-hosted task management platform.
CVSS 3.1HIGH 7.2· Network · High privileges · No interaction · EPSS 0.00832 · Published 2026-02-25 · Fixed in 2.0.0 CWE-22
Priority HIGH 66
Vikunja is an open-source self-hosted task management platform.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00308 · Published 2026-04-10 · Fixed in 2.3.0 CWE-307
Priority HIGH 66
Vikunja is an open-source self-hosted task management platform.
CVSS 3.1HIGH 7.4· Network · Low privileges · No interaction · EPSS 0.00402 · Published 2026-03-24 · Fixed in 2.2.1 CWE-918
Priority HIGH 65
Vikunja is an open-source self-hosted task management platform.
CVSS 3.1HIGH 7.3· Network · Low privileges · User interaction · EPSS 0.00512 · Published 2026-02-25 · Fixed in 2.0.0 CWE-79
Priority MEDIUM 64
Vikunja 0.22.0 before 2.7.0 contains an improper access revocation vulnerability that allows removed collaborators to keep receiving project data through webhooks they created.
CVSS 4.0HIGH 7.1· Network · Low privileges · No interaction · EPSS 0.00355 · Published 2026-10-17 · Fixed in 2.7.0 CWE-613
Priority MEDIUM 64
Vikunja 2.3.0 before 2.7.0 contains an improper session validation vulnerability that allows attackers to keep WebSocket access after revocation because handleAuth never checks the JWT sid claim against the sessions tabl…
CVSS 4.0HIGH 7.1· Network · Low privileges · No interaction · EPSS 0.00355 · Published 2026-10-17 · Fixed in 2.7.0 CWE-613
TI-2026-62106 CVE-2026-91971 · GHSA-4vh2-39rq-rq8j · GHSA-69rj-q3v9-vffp Priority MEDIUM 64
Vikunja before 2.6.0 fails to apply pixel decode limits to avatar and project-background upload endpoints, allowing authenticated users to upload crafted images that decode to excessive pixel counts.
CVSS 4.0HIGH 7.1· Network · Low privileges · No interaction · EPSS 0.00436 · Published 2026-09-15 · Fixed in 2.6.0 CWE-400
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