PatchTheCVEunfurl vulnerabilities and fixes
Recent CVEs affecting unfurl, with upgrade or downgrade steps. 2 tracked.
unfurl has 2 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-04-08. Highest priority: CVE-2026-40035 (score 53/100).
- CVE-2026-40036 HIGH 7.5 UPGRADE Unfurl before 2026.04 contains an unbounded zlib decompression vulnerability in parse_compressed.py that allow
- CVE-2026-40035 CRITICAL 9.1 UPGRADE Unfurl through 2025.08 contains an improper input validation vulnerability in config parsing that enables Flas
FAQ
How do I fix unfurl vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is unfurl being exploited right now?
None of the tracked unfurl CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which unfurl CVE should I patch first?
CVE-2026-40035 currently ranks highest (53/100): Unfurl through 2025.08 contains an improper input validation vulnerability in config parsing that enables Flas.