HIGHCVSS v3.1 7.5Vulnerability
CVE-2026-88753
A Regular-Expression Denial of Service (ReDoS) in the Markdown2. extract_metadata() function (lib/markdown2.py) of trentm markdown2 through v2.5.5 allows attackers to cause a Denial of Service (DoS) via a crafted Markdown document.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-10-20T21:14:08.448323+00:00
- Cvss severity
- HIGH
- Cvss score
- 7.5
- Epss score
- 0.00324
- Retrieved at
- 2026-10-21T01:24:50+00:00
- Last source
- FIRST EPSS
- Cvss version
- 3.1
- Score
- 7.5
- Cve id
- CVE-2026-88753
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- First seen by Signal
- 2026-10-18T13:39:03+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Published at
- 2026-10-15T16:18:22.887
- Last modified
- 2026-10-20T03:17:17.410
- Epss percentile
- 0.24001
Related Entities (1)
HAS_WEAKNESS (1)
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