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Exploited and recent CVEs
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CVE-2026-85999
Medium 5.3
Soup Sieve: Polynomial-time ReDoS (O(n²)) in the whitespace/comment trimming regex `RE_WS_END` (triggers on VALID selectors)
0.6%
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CVE-2026-86000
Medium 5.3
Soup Sieve: Polynomial-time ReDoS (O(n²)) in the `IDENTIFIER` / `VALUE` selector sub-patterns
0.6%
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CVE-2026-61632
Medium 5.3
PyMdown Extensions: Path traversal in the b64 extension lets <img src> read files outside base_path
0.4%
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CVE-2026-67422
High 7.5
pymdown-extensions: Exponential-backtracking ReDoS in caret, tilde, betterem, and magiclink inline processors
0.6%
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CVE-2026-46338
Medium 4.3
PyMdown Extensions: Regression in pymdownx.snippets reintroduces sibling-prefix path traversal bypass despite restrict_base_path
0.4%
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CVE-2026-49476
High 7.5
Soup Sieve: Memory Exhaustion via Large Comma-Separated Selector Lists in soupsieve
0.6%
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CVE-2026-49477
High 7.5
Soup Sieve: Regular Expression Denial of Service (ReDoS) in soupsieve Selector Parser
0.6%
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CVE-2025-68142
Low 2.7
PyMdown Extensions has ReDOS bug in Figure Capture extension
0.5%
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CVE-2023-32309
High 7.5
Arbitrary file inclusion with the pymdowm-snippets extension
1.7%