CVE-2026-27018

Description

Gotenberg is an API for converting document formats. Prior to version 8.29.0, the fix introduced for CVE-2024-21527 can be bypassed using mixed-case or uppercase URL schemes. This issue has been patched in version 8.29.0.

References

• https://github.com/gotenberg/gotenberg/commit/06b2b2e10c52b58135edbfe82e94d599eb0c5a11
• https://github.com/gotenberg/gotenberg/commit/8625a4e899eb75e6fcf46d28394334c7fd79fff5
• https://github.com/gotenberg/gotenberg/releases/tag/v8.29.0
• https://github.com/gotenberg/gotenberg/security/advisories/GHSA-jjwv-57xh-xr6r
• https://github.com/gotenberg/gotenberg/security/advisories/GHSA-jjwv-57xh-xr6r