CVE-2026-123519
Vikunja before 2.7.1 Memory Exhaustion DoS via WeKan and Vikunja-File Imports
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
Vikunja before 2.7.1 contains a denial of service vulnerability that allows authenticated users to exhaust API process memory by uploading WeKan or vikunja-file imports with no item-count cap. Attackers can submit a ~22 MB WeKan JSON with hundreds of thousands of cards or duplicate IDs to the wekan migrate endpoint, triggering OOM and crashing the instance.
| CWE | CWE-770 |
| Vendor | go-vikunja |
| Product | vikunja |
| Published | Nov 8, 2026 |
Stay Ahead of the Next One
Get instant alerts for go-vikunja vikunja
Be the first to know when new medium vulnerabilities affecting go-vikunja vikunja are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
go-vikunja / vikunja
0 < 2.7.1
References
Credits
🔍 manus-use