CVE-2026-2327
MEDIUM
GHSA-38c4-r59v-3vqw
5.3
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Lifecycle Timeline
3
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
Patch Released
Feb 23, 2026 - 14:08 nvd
Patch available
CVE Published
Feb 12, 2026 - 06:16 nvd
MEDIUM 5.3
Description
Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the use of the regex /\*+$/ in the linkify function. An attacker can supply a long sequence of * characters followed by a non-matching character, which triggers excessive backtracking and may lead to a denial-of-service condition.
Analysis
Markdown-It versions up to 14.1.1 is affected by inefficient regular expression complexity (redos) (CVSS 5.3).
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.
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Priority Score
27
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: 0
Vendor Status
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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