MI
Product
mistune
by lepture · last CVE Oct 22, 2026
26
CVEs
0
On KEV
8.6
Max CVSS
9
New 30D
Severity mix
Critical 0High 12Medium 14Low 0
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Add mistune to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-115353
New
8.6
0%
Oct 22
Mistune before 3.3.0 Path Traversal via include Directive
Affected: before 3.3.0
CVE-2026-115355
New
7.5
0%
Oct 22
Mistune before 3.3.0 Path Traversal and XSS via Include Directive
Affected: before 3.3.0
CVE-2026-115352
New
7.5
0%
Oct 22
Mistune before 3.3.0 Quadratic-Time DoS via Unmatched Brackets in Inline Parser
Affected: before 3.3.0
CVE-2026-115349
New
7.5
0%
Oct 22
Mistune 3.0.0 before 3.3.0 Denial of Service via Nested Bracket Parsing
Affected: 3.0.0 before 3.3.0
CVE-2026-115348
New
7.5
0%
Oct 22
Mistune before 3.3.0 Quadratic-Time DoS via parse_link_text
Affected: 3.0.0 before 3.3.0
CVE-2026-115347
New
7.5
0%
Oct 22
Mistune before 3.3.0 Quadratic Denial of Service via parse_link_text
Affected: before 3.3.0
CVE-2026-76098
7.5
0%
Aug 24
Mistune has Denial of Service — RecursionError via Excessive Emphasis Markers in Markdown
Affected: >= 3.3.0, < 3.3.3
CVE-2026-59928
7.5
1%
Jul 8
Mistune block_parser: quadratic-time parsing on long lists of repeated reference-link definitions
Affected: < 3.3.0
CVE-2026-59925
7.5
1%
Jul 8
inline_parser: quadratic-time parsing on long runs of `**x**` and `***x***` emphasis pairs
Affected: < 3.3.0
CVE-2026-59922
7.5
1%
Jul 8
Mistune plugins/formatting: quadratic-time parsing on long runs of `~~x~~`, `==x==`, and `^^x^^` markers (strikethrough / mark / insert)
Affected: < 3.3.0
CVE-2026-49851
7.5
1%
Jun 24
Mistune: Potential DoS via quadratic-time parsing in parse_link_text
Affected: < 3.3.0
CVE-2026-33079
7.5
1%
May 6
Mistune ReDoS in LINK_TITLE_RE allows denial of service with crafted Markdown titles
Affected: >=3.0.0a1, <= 3.2.0
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