CVE-2026-33675— Vikunja has SSRF via Todoist/Trello Migration File Attachment URLs that Allows Reading Internal Network Resources
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-33675
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Vikunja has SSRF via Todoist/Trello Migration File Attachment URLs that Allows Reading Internal Network Resources
Source: NVD (National Vulnerability Database)
Vulnerability Description
Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the migration helper functions `DownloadFile` and `DownloadFileWithHeaders` in `pkg/modules/migration/helpers.go` make arbitrary HTTP GET requests without any SSRF protection. When a user triggers a Todoist or Trello migration, file attachment URLs from the third-party API response are passed directly to these functions, allowing an attacker to force the Vikunja server to fetch internal network resources and return the response as a downloadable task attachment. Version 2.2.1 patches the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Vikunja 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vikunja是Vikunja开源的一个待办事项应用程序。 Vikunja 2.2.1之前版本存在安全漏洞，该漏洞源于迁移辅助函数缺少SSRF保护，可能导致服务端请求伪造攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| go-vikunja | vikunja | < 2.2.1 | - |
II. Public POCs for CVE-2026-33675
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-33675
请登录查看更多情报信息。
Same Patch Batch · go-vikunja · 2026-03-24 · 16 CVEs total
| CVE-2026-33316 | 8.1 HIGH | Vikunja’s Improper Access Control Enables Bypass of Administrator-Imposed Account Disablem |
| CVE-2026-33678 | 8.1 HIGH | Vikunja has IDOR in Task Attachment ReadOne Allows Cross-Project File Access and Deletion |
| CVE-2026-33680 | 7.5 HIGH | Vikunja Vulnerable to Link Share Hash Disclosure via ReadAll Endpoint Enables Permission E |
| CVE-2026-33474 | 6.5 MEDIUM | Vikunja Affected by DoS via Image Preview Generation |
| CVE-2026-33677 | 6.5 MEDIUM | Webhook BasicAuth Credentials Exposed to Read-Only Project Collaborators via API |
| CVE-2026-33676 | 6.5 MEDIUM | Vikunja has Cross-Project Information Disclosure via Task Relations — Missing Authorizatio |
| CVE-2026-33679 | 6.4 MEDIUM | Vikunja has SSRF via OpenID Connect Avatar Download that Bypasses Webhook SSRF Protections |
| CVE-2026-33473 | 5.7 MEDIUM | Vikunja has TOTP Reuse During Validity Window |
| CVE-2026-33315 | Vikunja has a 2FA Bypass via Caldav Basic Auth | |
| CVE-2026-33313 | Vikunja has an IDOR in Task Comments Allows Reading Arbitrary Comments | |
| CVE-2026-33335 | Vikunja Desktop allows arbitrary local application invocation via unvalidated shell.openEx | |
| CVE-2026-33334 | Vikunja Desktop: Any frontend XSS escalates to Remote Code Execution due to nodeIntegratio | |
| CVE-2026-33336 | Vikunja Desktop vulnerable to Remote Code Execution via same-window navigation | |
| CVE-2026-33668 | Vikunja Allows Disabled/Locked User Accounts to Authenticate via API Tokens, CalDAV, and O | |
| CVE-2026-33700 | Vikunja has a Link Share Delete IDOR — Missing Project Ownership Check Allows Cross-Projec |
IV. Related Vulnerabilities
Same product: vikunja
- CVE-2026-40103
Vikunja's Scoped API tokens with projects.background permiss - CVE-2026-35602
Vikunja has a File Size Limit Bypass via Vikunja Import - CVE-2026-35601
Vikunja has an iCalendar Property Injection via CRLF in CalD - CVE-2026-35600
Vikunja has HTML Injection via Task Titles in Overdue Email - CVE-2026-35599
Vikunja has an Algorithmic Complexity DoS in Repeating Task
Same vendor: go-vikunja
- CVE-2026-40103
Vikunja's Scoped API tokens with projects.background permiss - CVE-2026-35602
Vikunja has a File Size Limit Bypass via Vikunja Import - CVE-2026-35601
Vikunja has an iCalendar Property Injection via CRLF in CalD - CVE-2026-35600
Vikunja has HTML Injection via Task Titles in Overdue Email - CVE-2026-35599
Vikunja has an Algorithmic Complexity DoS in Repeating Task
Same weakness: CWE-918
- CVE-2026-8193
Akaunting Invoice PDF Rendering dompdf.php server-side reque - CVE-2026-44313
LinkWarden: Server-Side Request Forgery (SSRF) in Link Creat - CVE-2026-42352
pygeoapi 0.23.x: Unauthenticated SSRF via OGC API - Processe - CVE-2026-42346
Postiz: TOCTOU DNS rebinding bypasses all SSRF URL validatio - CVE-2026-42339
New API: SSRF Filter Bypass via 0.0.0.0
V. Comments for CVE-2026-33675
No comments yet