{"id":"CVE-2025-56224","title":"A lack of rate limiting in the One-Time Password (OTP) verification endpoint of SigningHub v8.6.8 allows attackers to bypass verification via a bruteforce attack.","summary":"A lack of rate limiting in the One-Time Password (OTP) verification endpoint of SigningHub v8.6.8 allows attackers to bypass verification via a bruteforce attack.","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-307"],"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-2025-56224","references":[{"url":"https://github.com/saykino/CVE-2025-56224","label":"cve@mitre.org"}],"tags":["nvd","exploit-available"],"epss":0.00389,"epssPercentile":0.30181,"ingestedAt":"2026-07-06T16:44:34.303Z","exploits":{"github":1,"githubRepos":["https://github.com/saykino/CVE-2025-56224"],"checkedAt":"2026-09-25T08:20:46.152Z"},"exploitAvailable":true,"slug":"CVE-2025-56224","body":"## Overview\n\nA lack of rate limiting in the One-Time Password (OTP) verification endpoint of SigningHub v8.6.8 allows attackers to bypass verification via a bruteforce attack.\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":57,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":4841,"id":"CVE-2025-56224","ts":1788887210097,"field":"exploit_available","old":"false","new":"true"},{"seq":3724,"id":"CVE-2025-56224","ts":1788886327262,"field":"exploit_available","old":"true","new":"false"},{"seq":2569,"id":"CVE-2025-56224","ts":1788883008653,"field":"exploit_available","old":"false","new":"true"},{"seq":1598,"id":"CVE-2025-56224","ts":1788882408779,"field":"exploit_available","old":"true","new":"false"},{"seq":710,"id":"CVE-2025-56224","ts":1788881846174,"field":"exploit_available","old":"false","new":"true"}]}