CVE-2026-27018
Gotenberg: Chromium deny-list bypass via case-insensitive URL scheme
- State
- Published
- Severity
- 7.8 High
- Published
- Mar 30, 2026
- Updated
- Mar 31, 2026
- Reserved
- Feb 17, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.8 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:P | GitHub_M |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
gotenberggotenberg |
|
References
- https://github.com/gotenberg/gotenberg/security/advisories/GHSA-jjwv-57xh-xr6r
- https://github.com/gotenberg/gotenberg/commit/06b2b2e10c52b58135edbfe82e94d599eb0c5a11
- https://github.com/gotenberg/gotenberg/commit/8625a4e899eb75e6fcf46d28394334c7fd79fff5
- https://github.com/gotenberg/gotenberg/releases/tag/v8.29.0
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