CVE-2026-27018CWE-22CWE-918

Gotenberg: Chromium deny-list bypass via case-insensitive URL scheme

High · published March 30, 2026

CVSS v4.0
7.8
EPSS
2%
Percentile
76.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
7.8 · HIGH
Vector
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
EPSS
0.01632 · 76.1th percentile
Weaknesses
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'); CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-03-30T20:14Z
EPSS history
Timeline
  • 30 MAR 20:14Z
    Gotenberg: Chromium deny-list bypass via case-insensitive URL scheme
    cvelistv5