{"cve":"CVE-2026-27018","nvd":{"published":"2026-03-30T21:17:08.383","modified":"2026-06-17T10:26:32.693","status":"Analyzed","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.","cvss_v4":{"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","score":7.8},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-22","CWE-918"],"references":["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://github.com/gotenberg/gotenberg/security/advisories/GHSA-jjwv-57xh-xr6r","https://github.com/gotenberg/gotenberg/security/advisories/GHSA-jjwv-57xh-xr6r"],"products":["thecodingmachine:gotenberg"],"source":"nvd","synced_at":"2026-10-19T22:28:18.033120106+00:00"},"epss":{"cve":"CVE-2026-27018","score":0.01701,"percentile":0.77219,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-jjwv-57xh-xr6r","url":"https://osv.dev/vulnerability/GHSA-jjwv-57xh-xr6r","summary":"Gotenberg has Chromium deny-list bypass via case-insensitive URL scheme (bypass of GHSA-rh2x-ccvw-q7r3)","modified":"2026-07-08T08:29:24.741570734Z","packages":[{"ecosystem":"Go","name":"github.com/gotenberg/gotenberg/v8","purl":"pkg:golang/github.com/gotenberg/gotenberg/v8","ranges":["<8.29.0"],"fixed":["8.29.0"]},{"ecosystem":"Go","name":"github.com/gotenberg/gotenberg/v7","purl":"pkg:golang/github.com/gotenberg/gotenberg/v7","ranges":["<=7.10.2"],"fixed":[]}]},{"id":"GO-2026-4905","url":"https://osv.dev/vulnerability/GO-2026-4905","summary":"Gotenberg has Chromium deny-list bypass via case-insensitive URL scheme (bypass of GHSA-rh2x-ccvw-q7r3) in github.com/gotenberg/gotenberg","modified":"2026-04-02T21:20:07.137918Z","packages":[{"ecosystem":"Go","name":"github.com/gotenberg/gotenberg/v7","purl":"pkg:golang/github.com/gotenberg/gotenberg/v7","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/gotenberg/gotenberg/v8","purl":"pkg:golang/github.com/gotenberg/gotenberg/v8","ranges":["<8.29.0"],"fixed":["8.29.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}