What is CVE-2026-55229?

CVE-2026-55229 is a high-severity vulnerability in Gotenberg, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2026-07-10.

How severe is CVE-2026-55229?

High severity. CVSS v3 base score is 7.5 out of 10.

SSRF in Gotenberg

CVE-2026-55229

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.34.0, Gotenberg's /forms/libreoffice/convert endpoint allows a specially crafted document to cause LibreOffice to automatically retrieve external HTTP(S) resources and l…

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Gotenberg — versions < 8.34.0

Weakness classification (CWE)

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

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-55229?: CVE-2026-55229 is a high-severity vulnerability in Gotenberg, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2026-07-10.
How severe is CVE-2026-55229?: High severity. CVSS v3 base score is 7.5 out of 10.