{"id":"CVE-2026-111692","title":"DataBuff ai-apm-web through 0.1.10 Authentication Bypass via Hardcoded HMAC Secret","summary":"DataBuff ai-apm-web through 0.1.10 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge admin session tokens by using the hardcoded HMAC secret in JwtTokenService. Attackers can sign a payload of…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-321"],"vendor":"databufflabs","product":"databuff","affected":["databuff <= 0.1.10"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-16T19:06:19.195700Z"},"exploitAvailable":true,"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:06:45.355Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111692","references":[{"url":"https://hackmd.io/@hieuPenguinnn/databuff-default-jwt-secret-auth-bypass"},{"url":"https://github.com/databufflabs/databuff/blob/v0.1.10/ai-apm-web/src/main/resources/application.yml#L54-L59"},{"url":"https://github.com/databufflabs/databuff/blob/v0.1.10/ai-apm-web/src/main/java/com/databuff/apm/web/config/JwtProperties.java#L8-L15"},{"url":"https://github.com/databufflabs/databuff/blob/v0.1.10/ai-apm-web/src/main/java/com/databuff/apm/web/auth/JwtTokenService.java#L36-L60"},{"url":"https://github.com/databufflabs/databuff"},{"url":"https://www.vulncheck.com/advisories/databuff-ai-apm-web-through-0.1.10-authentication-bypass-via-hardcoded-hmac-secret","label":"VulnCheck Advisory: DataBuff ai-apm-web through 0.1.10 Authentication Bypass via Hardcoded HMAC Secret"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-10-16T18:43:08.655Z","slug":"CVE-2026-111692","body":"## Overview\n\nDataBuff ai-apm-web through 0.1.10 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge admin session tokens by using the hardcoded HMAC secret in JwtTokenService. Attackers can sign a payload of admin and a future expiry with the default dev-secret to gain full administrative access to protected /webapi routes, including the Doris SQL query API.\n\n## Affected\n\n- `databuff <= 0.1.10`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":66,"depthScoreParts":{"impact":53.9,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":223353,"id":"CVE-2026-111692","ts":1792180126255,"field":"exploit_available","old":"false","new":"true"}]}