vulnerability · Fri 09 Oct 2026 · 20:52 UTC
GHSA-w7jp-mf2v-8342: Vikunja: Denial of service via decompression bomb in the data import
Filed UTCSource GTH ↗
Vikunja lets you export your data as a zip and import it back. The import doesn't limit how large the archive expands to, how many files it contains, or how much storage one user can consume, and it appears to hold the whole archive in memory while processing it. Because the archive is compressed, a ~20 MB upload made of highly compressible content expands to tens of gigabytes once imported. A single crafted upload is enough to exhaust the server's memory or fill its disk and knock the whole instance offline. …
Signals
as the pipeline stamped them- High
- High-risk vulnerability
CVE
KEV from CISA · EPSS from FIRST| Id | KEV | EPSS | Reference |
|---|---|---|---|
| CVE-2026-91979 | — | 0.44% | NVD ↗ |
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