CVE-2026-55229 | THREATINT

Description

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 local file resources during document conversion, enabling blind SSRF and limited local file disclosure via linked image resource loading. This issue is fixed in version 8.34.0.

PUBLISHED Reserved 2026-06-16 | Published 2026-07-10 | Updated 2026-07-13 | Assigner GitHub_M

HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem types

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

Product status

< 8.34.0

affected

References

github.com/...enberg/security/advisories/GHSA-2mrg-35hw-x3x9 exploit

github.com/...enberg/security/advisories/GHSA-2mrg-35hw-x3x9

github.com/...ommit/98fc40347885ad510a311b990a73397c6d4143db

github.com/gotenberg/gotenberg/releases/tag/v8.34.0

cve.org (CVE-2026-55229)

nvd.nist.gov (CVE-2026-55229)

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