CVE-2026-110642
7.8 HIGHpublic exploit availablePublished 2026-10-14 · Updated 2026-10-15
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
xhtml2pdf before 0.2.19 contains an OS command injection vulnerability in pisa.startViewer() that allows attackers to execute commands by interpolating unescaped file names into os.system. Attackers can supply an input file whose name contains a double quote and shell metacharacters, which runs OS commands as the invoking user when the pisa tool is used with -s/--start-viewer.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
CWE-78
Public exploit & PoC references
All references
- https://github.com/xhtml2pdf/xhtml2pdf/blob/v0.2.18/xhtml2pdf/pisa.py#L393-L400
- https://github.com/xhtml2pdf/xhtml2pdf/commit/f86380dad15b3a6810201d08755a3ee6b19d5063
- https://github.com/xhtml2pdf/xhtml2pdf/pull/835
- https://github.com/xhtml2pdf/xhtml2pdf/releases/tag/v0.2.19
- https://www.vulncheck.com/advisories/xhtml2pdf-before-0.2.19-os-command-injection-via-startviewer-file-name
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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