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Priority HIGH 77

Unfurl before 2026.04 contains an unbounded zlib decompression vulnerability in parse_compressed.py that allows remote attackers to cause denial of service.

CVSS 4.0HIGH 8.7 Network No auth No interaction EPSS 0.00517 Published 2026-04-08 Fixed in 2026.04, 20260405 CWE-409
Priority HIGH 81

Unfurl through 2025.08 contains an improper input validation vulnerability in config parsing that enables Flask debug mode by default.

CVSS 4.0CRITICAL 9.3 Network No auth No interaction EPSS 0.00566 Published 2026-04-08 No fix listed CWE-489