CVE-2026-111692
CVE-2026-111692
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.
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.
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/resources/app… (technical-description)
- github.com/databufflabs/databuff/blob/v0.1.10/ai-apm-web/src/main/java/com/data… (technical-description)
- 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-authentication-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111692?
- CVE-2026-111692 is a critical-severity vulnerability, classified under Use of Hard-coded Cryptographic Key. CVSS score: 9.8/10. Published 2026-10-16.
- How severe is CVE-2026-111692?
- Critical severity. CVSS v3 base score is 9.8 out of 10.