What is CVE-2026-42591?

CVE-2026-42591 is a high-severity vulnerability in Gotenberg, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.2/10. Published 2026-05-14.

How severe is CVE-2026-42591?

High severity. CVSS v3 base score is 8.2 out of 10.

SSRF in Gotenberg

CVE-2026-42591

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, the LibreOffice conversion endpoint (/forms/libreoffice/convert) passes uploaded documents directly to LibreOffice without inspecting their content. LibreOffice th…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (12.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

Affected products

Gotenberg — versions < 8.32.0
Thecodingmachine Gotenberg

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-42591?: CVE-2026-42591 is a high-severity vulnerability in Gotenberg, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.2/10. Published 2026-05-14.
How severe is CVE-2026-42591?: High severity. CVSS v3 base score is 8.2 out of 10.