Medium severity6.5NVD Advisory· Published Sep 15, 2026· Updated Sep 17, 2026
CVE-2026-91969
CVE-2026-91969
Description
vikunja versions before 2.6.0 contain a resource exhaustion vulnerability in the POST /api/v2/migration/csv/migrate endpoint that fails to limit parsed row cardinality. Authenticated attackers can upload multipart CSV files with millions of tiny records to exhaust process memory and terminate the API service.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
code.vikunja.io/apiGo | >= 2.5.0, < 2.6.0 | 2.6.0 |
Affected products
2- Range: <2.6.0
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-pqf9-h8g4-8gmhghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-91969ghsaADVISORY
- github.com/go-vikunja/vikunja/pull/3688ghsaWEB
- github.com/go-vikunja/vikunja/releases/tag/v2.6.0ghsaWEB
- github.com/go-vikunja/vikunja/security/advisories/GHSA-pqf9-h8g4-8gmhnvdWEB
- www.vulncheck.com/advisories/vikunja-before-2.6.0-resource-exhaustion-via-csv-migrationnvdWEB
News mentions
1- Go Vikunja: Twelve Vulnerabilities Including Privilege Escalation and Auth Bypass Disclosed TogetherVypr Intelligence · Sep 15, 2026