CVE-2026-115355High· 7.5▾ TwilightMistune before 3.3.0 contains a path traversal vulnerability in the Include directive that allows attackers to read arbitrary files by supplying ../ sequences in include paths. Attackers can also inject HTML through unescaped error messa…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Mistune before 3.3.0 contains a path traversal vulnerability in the Include directive that allows attackers to read arbitrary files by supplying ../ sequences in include paths. Attackers can also inject HTML through unescaped error messages and included file contents to perform cross-site scripting even when escape=True is set.
mistune < 3.3.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-115353High· 8.6Mistune before 3.3.0 Path Traversal via include Directive
CVE-2026-115354Medium· 6.5Mistune before 3.3.0 Arbitrary Local File Read via Include Directive
CVE-2026-115351Medium· 4.7Mistune 3.2.1 before 3.3.0 CSS Injection via Figure Directive figwidth Option
CVE-2026-115352High· 7.5Mistune before 3.3.0 Quadratic-Time DoS via Unmatched Brackets in Inline Parser
CVE-2026-115348High· 7.5Mistune before 3.3.0 Quadratic-Time DoS via parse_link_text
CVE-2026-115347High· 7.5Mistune before 3.3.0 Quadratic Denial of Service via parse_link_text