CVE-2026-55229
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.51% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Source
- security-advisories@github.com
References
- https://github.com/gotenberg/gotenberg/commit/98fc40347885ad510a311b990a73397c6d4143db
- https://github.com/gotenberg/gotenberg/releases/tag/v8.34.0
- https://github.com/gotenberg/gotenberg/security/advisories/GHSA-2mrg-35hw-x3x9
- https://github.com/gotenberg/gotenberg/security/advisories/GHSA-2mrg-35hw-x3x9
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.