{"id":"CVE-2025-56223","title":"A lack of rate limiting in the component /Home/UploadStreamDocument of SigningHub v8.6.8 allows attackers to cause a Denial of Service (DoS) via uploading an excessive number of files.","summary":"A lack of rate limiting in the component /Home/UploadStreamDocument of SigningHub v8.6.8 allows attackers to cause a Denial of Service (DoS) via uploading an excessive number of files.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-770"],"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-2025-56223","references":[{"url":"https://github.com/saykino/CVE-2025-56223","label":"cve@mitre.org"}],"tags":["nvd","exploit-available"],"epss":0.00464,"epssPercentile":0.39453,"ingestedAt":"2026-07-06T16:44:34.301Z","exploits":{"github":1,"githubRepos":["https://github.com/saykino/CVE-2025-56223"],"checkedAt":"2026-09-24T07:52:53.657Z"},"exploitAvailable":true,"slug":"CVE-2025-56223","body":"## Overview\n\nA lack of rate limiting in the component /Home/UploadStreamDocument of SigningHub v8.6.8 allows attackers to cause a Denial of Service (DoS) via uploading an excessive number of files.\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":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":4840,"id":"CVE-2025-56223","ts":1788887210092,"field":"exploit_available","old":"false","new":"true"},{"seq":3723,"id":"CVE-2025-56223","ts":1788886327256,"field":"exploit_available","old":"true","new":"false"},{"seq":2568,"id":"CVE-2025-56223","ts":1788883008649,"field":"exploit_available","old":"false","new":"true"},{"seq":1597,"id":"CVE-2025-56223","ts":1788882408774,"field":"exploit_available","old":"true","new":"false"},{"seq":709,"id":"CVE-2025-56223","ts":1788881846169,"field":"exploit_available","old":"false","new":"true"}]}