{"id":"CVE-2025-56219","title":"Incorrect access control in SigningHub v8.6.8 allows attackers to arbitrarily add user accounts without any rate limiting","summary":"Incorrect access control in SigningHub v8.6.8 allows attackers to arbitrarily add user accounts without any rate limiting. This can lead to a resource exhaustion and a Denial of Service (DoS) when an excessively large number of user acco…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","cwe":["CWE-284"],"vendor":"ascertia","product":"signinghub","affected":["signinghub <= 8.6.8"],"published":"2025-10-20","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-56219","references":[{"url":"https://github.com/saykino/CVE-2025-56219","label":"cve@mitre.org"}],"tags":["nvd","exploit-available"],"epss":0.00323,"epssPercentile":0.22765,"ingestedAt":"2026-07-06T16:44:34.299Z","exploits":{"github":1,"githubRepos":["https://github.com/saykino/CVE-2025-56219"],"checkedAt":"2026-09-26T09:05:34.076Z"},"exploitAvailable":true,"slug":"CVE-2025-56219","body":"## Overview\n\nIncorrect access control in SigningHub v8.6.8 allows attackers to arbitrarily add user accounts without any rate limiting. This can lead to a resource exhaustion and a Denial of Service (DoS) when an excessively large number of user accounts are created.\n\n## Affected\n\n- `signinghub <= 8.6.8`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":39.1,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":4839,"id":"CVE-2025-56219","ts":1788887210085,"field":"exploit_available","old":"false","new":"true"},{"seq":3722,"id":"CVE-2025-56219","ts":1788886327251,"field":"exploit_available","old":"true","new":"false"},{"seq":2567,"id":"CVE-2025-56219","ts":1788883008644,"field":"exploit_available","old":"false","new":"true"},{"seq":1596,"id":"CVE-2025-56219","ts":1788882408769,"field":"exploit_available","old":"true","new":"false"},{"seq":708,"id":"CVE-2025-56219","ts":1788881846164,"field":"exploit_available","old":"false","new":"true"}]}