CVE-2026-27018 | THREATINT

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.

PUBLISHED Reserved 2026-02-17 | Published 2026-03-30 | Updated 2026-03-31 | Assigner GitHub_M

HIGH: 7.8CVSS: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

Problem types

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-918: Server-Side Request Forgery (SSRF)

Product status

< 8.29.0

affected

References

github.com/...enberg/security/advisories/GHSA-jjwv-57xh-xr6r exploit

github.com/...enberg/security/advisories/GHSA-jjwv-57xh-xr6r

github.com/...ommit/06b2b2e10c52b58135edbfe82e94d599eb0c5a11

github.com/...ommit/8625a4e899eb75e6fcf46d28394334c7fd79fff5

github.com/gotenberg/gotenberg/releases/tag/v8.29.0

cve.org (CVE-2026-27018)

nvd.nist.gov (CVE-2026-27018)

Download JSON