CVE-2026-111692
CVE-2026-111692 · DataBuff ai-apm-web through 0.1.10 Authentication Bypass via Hardcoded HMAC Secret
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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 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.
CVSS 9.3 · Critical · EPSS 0.6%
- Published
- Updated
Affected products and versions
databuff
- Versions
- ≥ 0, ≤ 0.1.10: Affected (custom)
No fix published
Original sources
- https://hackmd.io/@hieuPenguinnn/databuff-default-jwt-secret-auth-bypass
- https://github.com/databufflabs/databuff/blob/v0.1.10/ai-apm-web/src/main/resources/application.yml#L54-L59
- https://github.com/databufflabs/databuff/blob/v0.1.10/ai-apm-web/src/main/java/com/databuff/apm/web/config/JwtProperties.java#L8-L15
- https://github.com/databufflabs/databuff/blob/v0.1.10/ai-apm-web/src/main/java/com/databuff/apm/web/auth/JwtTokenService.java#L36-L60
- https://github.com/databufflabs/databuff
- https://www.vulncheck.com/advisories/databuff-ai-apm-web-through-0.1.10-authentication-bypass-via-hardcoded-hmac-secret
- https://nvd.nist.gov/vuln/detail/CVE-2026-111692