Description
Unfurl before 2026.04 contains an unbounded zlib decompression vulnerability in parse_compressed.py that allows remote attackers to cause denial of service. Attackers can submit highly compressed payloads via URL parameters to the /json/visjs endpoint that expand to gigabytes, exhausting server memory and crashing the service.
CVSS 7.5EPSS 0.508%Risk 0.78
View source- Published
- 2026-04-08 22:16:24
- Affected versions
- <2026.04
- Type
- Installed app
- Last modified
- 2026-07-24 21:10:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H