CVE-2026-27018
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductThecodingmachine Gotenberg
PublishedMar 30, 2026
First seenMar 30, 2026
How to fix
Update
- thecodingmachine gotenberg8.29.0 or later
- github.com/gotenberg/gotenberg/v88.29.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| thecodingmachine gotenberg | v < 8.29.0 | 8.29.0 |
| github.com/gotenberg/gotenberg/v8Go | v < 8.29.0 | 8.29.0 |
| github.com/gotenberg/gotenberg/v7Go | v ≤ 7.10.2, No range specified | — |
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