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Mammoth

Mammoth.js: vulnerabilities and CVEs

Mammoth.js has 2 published vulnerabilities, 2 of them in the last 12 months. 0 are rated critical and 0 are listed by CISA as actively exploited.

CVEs2
Last 12 months2
Critical0
Actively exploited0

All vulnerabilities in the catalogue →⭐ Follow this technology

Latest vulnerabilities

CVESeverityEPSSActive exploitationPublishedDescription
CVE-2026-105219High (8.7)——Oct 4, 2026
Mammoth.js 1.3.0 before 1.12.3 contains a regular expression denial of service vulnerability in the style map tokeniser in lib/styles/parser/tokeniser.js due to overlapping regex alternatives. Attackers can supply a…
CVE-2026-97151High (8.4)0.36%—Sep 24, 2026
mammoth (aka mammoth.js) before 1.12.2 is vulnerable to prototype pollution when reading the styles defined in a document. Converting a crafted .docx file allows an attacker to add arbitrary properties to…

🎯 How it gets exploited (ATT&CK techniques)

  1. T1190 Exploit Public-Facing Application2
  2. T1499.004 Application or System Exploitation1
  3. T1565.002 Transmitted Data Manipulation1

Number of CVEs of this technology mapped to each exploitation or primary-impact technique.