CVE-2026-111693: DataBuff ai-apm-web through 0.1.10 Hard-Coded Default Admin Credentials

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-16 · updated 2026-10-23
Weakness: CWE-1392

Description

DataBuff ai-apm-web through 0.1.10 contains a hard-coded default credentials vulnerability that allows unauthenticated attackers to gain administrator access using the built-in admin/Databuff@123 account. Attackers can POST these credentials to /webapi/api/v1/auth/login to obtain an administrator token and access all protected /webapi routes.

Affected products

databufflabs databuff: through 0.1.10

References

https://github.com/databufflabs/databuff
https://github.com/databufflabs/databuff/blob/v0.1.10/ai-apm-web/src/main/java/com/databuff/apm/web/admin/account/PortalUserManagementService.java#L14-L31
https://hackmd.io/@hieuPenguinnn/databuff-default-jwt-secret-auth-bypass
https://www.vulncheck.com/advisories/databuff-ai-apm-web-through-0.1.10-hard-coded-default-admin-credentials
https://hackmd.io/@hieuPenguinnn/databuff-default-jwt-secret-auth-bypass

Get alerted when CVE-2026-111693 or the next vulnerability affects your stack