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August 23, 2026

[vulnfeed] 3 critical CVEs — 2026-08-23 16:00 UTC

vulnfeed Critical alert — 2026-08-23 16:48 UTC
3 new critical CVEs in the last 5 hours — 3 CVSS ≥ 9.0
New vulnerabilities
CVE-2026-5388CRITICAL
justhtml before 1.15.0 contains multiple security issues in URL sanitization helpers (clean_url_value/clean_ur
justhtml before 1.15.0 contains multiple security issues in URL sanitization helpers (clean_url_value/clean_url_in_js_string), HTML serialization, Markdown passthrough (html_passthrough=True), and sev
CVSS 9.3
CVE-2026-7808CRITICAL
justhtml before 1.16.0 contains multiple HTML sanitization bypass issues that can allow active/dangerous conte
justhtml before 1.16.0 contains multiple HTML sanitization bypass issues that can allow active/dangerous content (e.g., script or style) to survive sanitization, potentially leading to cross-site scri
CVSS 9.3
CVE-2026-8445CRITICAL
justhtml versions <= 1.11.0 (fixed in 1.12.0) do not sufficiently escape HTML-significant characters (angle br
justhtml versions <= 1.11.0 (fixed in 1.12.0) do not sufficiently escape HTML-significant characters (angle brackets) in text nodes when converting a parsed document to Markdown via to_markdown(). Whi
CVSS 9.3

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Older → [vulnfeed] 1 critical CVE — 2026-08-23 12:00 UTC
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