Vulnerability in Databufflabs Databuff
CVE-2026-111693
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@hieuPenguinnn/databuff-default-jwt-secret-auth-bypass (third-party-advisory)
- github.com/databufflabs/databuff/blob/v0.1.10/ai-apm-web/src/main/java/com/data… (technical-description)
- github.com/databufflabs/databuff (product)
- www.vulncheck.com/advisories/databuff-ai-apm-web-through-0.1.10-hard-coded-defa… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111693?
- CVE-2026-111693 is a critical-severity vulnerability in Databufflabs Databuff, classified under CWE-1392. CVSS score: 9.8/10. Published 2026-10-16.
- How severe is CVE-2026-111693?
- Critical severity. CVSS v3 base score is 9.8 out of 10.