high7.5
CVE-2026-27018
Gotenberg has Chromium deny-list bypass via case-insensitive URL scheme (bypass of GHSA-rh2x-ccvw-q7r3)
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/gotenberg/gotenberg/v8 | < 8.29.0 | 8.29.0 |
| go | github.com/gotenberg/gotenberg/v7 | <= 7.10.2 | none recorded |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Thecodingmachine | Gotenberg | before 8.29.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-jjwv-57xh-xr6r
- https://github.com/gotenberg/gotenberg/security/advisories/GHSA-jjwv-57xh-xr6r
- https://github.com/gotenberg/gotenberg/security/advisories/GHSA-rh2x-ccvw-q7r3
- 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://nvd.nist.gov/vuln/detail/CVE-2026-27018