CVE-2026-27018 | Vulnetix

CVE-2026-27018 PUBLISHED CVSS 7.5 HIGH

Record from NVD · Published March 30, 2026

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.

EPSS 1.70% · 77.2th percentile

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
github.com/gotenberg/gotenberg/v8	Go Modules	8.29.0
github.com/gotenberg/gotenberg/v7	Go Modules	7.10.2

Risk scores

CVSS 3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Score

1.70%

77.2th percentile

Affected products

Vendor	Product	Versions
thecodingmachine	gotenberg	0

Timeline

Mar 30, 2026 CVE Published
Mar 30, 2026 PoC Published
Apr 29, 2026 CVE Updated
May 18, 2026 EPSS Score (30 in total, the first dated here)
Jun 1, 2026 Security Advisory
Jun 7, 2026 Coalition ESS Score

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2026-27018
vulnetix vdb fixes CVE-2026-27018

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-27018/fixes/registry"

The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart

References

Look up in the Resolve Platform →