CVE-2026-27018

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Source
https://cve.org/CVERecord?id=CVE-2026-27018
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-27018.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-27018
Aliases
Downstream
Related
Published
2026-03-30T20:14:32Z
Modified
2026-10-15T10:52:03Z
Severity
  • 7.8 (High) CVSS_V4 - 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 CVSS Calculator
Summary
Gotenberg: Chromium deny-list bypass via case-insensitive URL scheme
Details

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.

Database specific 
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-22",
        "CWE-918"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27018.json"
}
References

Affected packages

Git / github.com/gotenberg/gotenberg

Affected ranges

Type
GIT
Repo
https://github.com/gotenberg/gotenberg
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
5be574081c79cacd5c05c91d0fa5fd5c7b4a9ea4
Fixed
06b2b2e10c52b58135edbfe82e94d599eb0c5a11
Fixed
8625a4e899eb75e6fcf46d28394334c7fd79fff5
Database specific
Show details 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:thecodingmachine:gotenberg:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "8.29.0"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "range":  [
                {
                    "fixed":  "06b2b2e10c52b58135edbfe82e94d599eb0c5a11"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "range":  [
                {
                    "fixed":  "8625a4e899eb75e6fcf46d28394334c7fd79fff5"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "original_tag":  "v8.29.0",
            "range":  [
                {
                    "fixed":  "5be574081c79cacd5c05c91d0fa5fd5c7b4a9ea4"
                }
            ],
            "source":  "REFERENCES_TAG"
        }
    ]
}

Affected versions

1.*
1.0.0
2.*
2.0.0
3.*
3.0.0
3.0.1
3.0.2
3.1.0
3.1.1
3.1.2
3.2.0
4.*
4.0.0
4.1.0
4.2.0
4.3.0
4.4.0
5.*
5.0.0
5.0.1
5.0.2
5.1.0
6.*
6.0.0
6.0.1
6.0.2
6.0.3
6.0.4
6.1.0
6.1.1
6.1.2
6.2.0
6.2.1
6.3.0
6.3.1
6.4.0
6.4.1
6.4.2
6.4.3
6.4.4
v7.*
v7.0.0
v7.0.1
v7.0.2
v7.0.3
v7.0.4
v7.0.5
v7.0.6
v7.0.7
v7.1.0
v7.1.1
v7.10.0
v7.10.1
v7.2.0
v7.3.0
v7.3.1
v7.4.0
v7.4.1
v7.4.2
v7.4.3
v7.5.0
v7.5.1
v7.5.2
v7.5.3
v7.5.4
v7.6.0
v7.6.1
v7.6.2
v7.7.0
v7.7.1
v7.7.2
v7.8.0
v7.8.1
v7.8.2
v7.8.3
v7.9.0
v7.9.1
v7.9.2
v8.*
v8.0.0
v8.0.1
v8.0.2
v8.0.3
v8.1.0
v8.10.0
v8.11.0
v8.11.1
v8.12.0
v8.13.0
v8.14.0
v8.14.1
v8.15.0
v8.15.1
v8.15.2
v8.15.3
v8.16.0
v8.17.0
v8.17.1
v8.17.2
v8.17.3
v8.18.0
v8.19.0
v8.19.1
v8.2.0
v8.2.1
v8.2.2
v8.20.0
v8.20.1
v8.21.0
v8.21.1
v8.22.0
v8.23.0
v8.23.1
v8.23.2
v8.24.0
v8.25.0
v8.25.1
v8.26.0
v8.27.0
v8.28.0
v8.3.0
v8.4.0
v8.5.0
v8.5.1
v8.6.0
v8.7.0
v8.8.0
v8.8.1
v8.9.0
v8.9.1
v8.9.2

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-27018.json"