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CVE-2026-123522— Vikunja before 2.7.1 Task Information Disclosure via Kanban Bucket Move Webhook

Quick assessment

Affected
go-vikunja vikunja
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

2.7.1 版本之前的 Vikunja 存在一个授权绕过漏洞，允许已认证用户通过向无操作的看板（Kanban）移动操作中注入特制的任务对象，从而读取任意任务。攻击者可将 设置为受害任务的 ID，并将 设置为自己的项目 ID，借此将完整任务内容路由至其 Webhook，并伪造提及通知。

CVSS 7.1 · High
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I. Basic Information for CVE-2026-123522

Vulnerability Information
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Vulnerability Title
Vikunja before 2.7.1 Task Information Disclosure via Kanban Bucket Move Webhook
Source: CVE Program / CVE List V5
Vulnerability Description
Vikunja before 2.7.1 contains an authorization bypass vulnerability that allows authenticated users to read any task by injecting a crafted task object into a no-op Kanban bucket move. Attackers can set task.id to a victim task and task.project_id to their own project, routing full task contents to their webhook and forging mention notifications.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
go-vikunja vikunja 0 ~ 2.7.1 -

II. Public POCs for CVE-2026-123522

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III. Intelligence Information for CVE-2026-123522

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Other References for CVE-2026-123522 (2)

Same Patch Batch · go-vikunja · 2026-11-08 · 39 CVEs total

CVE-2026-123531 8.8 HIGH Vikunja 1.0.0 before 2.7.1 Pagination Limit Bypass via page=0 Parameter
CVE-2026-123520 7.1 HIGH Vikunja 0.18.0 before 2.7.1 Privilege Escalation via Account Deletion
CVE-2026-123497 6.8 MEDIUM Vikunja veans before 2.7.1 HTTPS to HTTP Downgrade in Server Discovery
CVE-2026-123528 6.8 MEDIUM Vikunja before 2.7.1 Insufficient Session Expiration via HTTP Token Middleware
CVE-2026-123513 6.8 MEDIUM Vikunja before 2.7.1 Auth Token Leak via API URL Change
CVE-2026-123525 6.5 MEDIUM Vikunja before 2.7.1 Memory Exhaustion DoS via Trello, Todoist and Microsoft To Do Migrati
CVE-2026-123523 6.5 MEDIUM Vikunja before 2.7.1 Memory Exhaustion via Unbounded Avatar Size Cache
CVE-2026-123519 6.5 MEDIUM Vikunja before 2.7.1 Memory Exhaustion DoS via WeKan and Vikunja-File Imports
CVE-2026-123501 6.5 MEDIUM Vikunja before 2.7.1 Memory Exhaustion DoS via Unbounded Image Decodes
CVE-2026-123500 6.2 MEDIUM Vikunja before 2.7.1 Insecure Permissions on Dump Archive via vikunja dump
CVE-2026-123512 6.1 MEDIUM Vikunja before 2.7.1 Sensitive Token Exposure via URL Query in Access Logs
CVE-2026-123499 5.9 MEDIUM Vikunja veans before 2.7.1 Credential Leak via Repo-Controlled .veans.yml Server
CVE-2026-123530 5.9 MEDIUM Vikunja before 2.7.1 Missing Step-Up Authentication via TOTP Enrollment Endpoints
CVE-2026-123521 5.9 MEDIUM Vikunja before 2.7.1 Password Brute-Force via TOTP Disable Endpoint
CVE-2026-123524 5.7 MEDIUM Vikunja 0.23.0 before 2.7.1 Information Disclosure via Webhook related_tasks Payload
CVE-2026-123505 5.5 MEDIUM Vikunja before 2.7.1 World-Readable Local File Storage and SQLite Database
CVE-2026-123493 5.4 MEDIUM Vikunja from 2.4.0 before 2.7.1 Authentication Bypass via Bot API Tokens
CVE-2026-123526 5.4 MEDIUM Vikunja before 2.7.1 Mass Assignment via Team external_id Field
CVE-2026-123506 5.4 MEDIUM Vikunja 2.2.0 before 2.7.1 Token Scope Bypass via Project Webhook Endpoints
CVE-2026-123503 5.4 MEDIUM Vikunja before 2.7.1 Improper Authorization in Kanban Bucket Deletion

Showing top 20 of 39 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: vikunja
Same vendor: go-vikunja
Same weakness: CWE-639