Critical severity · published Oct 16, 2026
CVE-2026-111692
DataBuff ai-apm-web through 0.1.10 Authentication Bypass via Hardcoded HMAC Secret
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DA
databuff · databufflabs
through 0.1.10 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-111692
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-111692
github.com
https://github.com/databufflabs/databuff
github.com
https://github.com/databufflabs/databuff/blob/v0.1.10/ai-apm-web/src/main/java/com/databuff/apm/web/auth/JwtTokenService.java#L36-L60
github.com
https://github.com/databufflabs/databuff/blob/v0.1.10/ai-apm-web/src/main/java/com/databuff/apm/web/config/JwtProperties.java#L8-L15
github.com
https://github.com/databufflabs/databuff/blob/v0.1.10/ai-apm-web/src/main/resources/application.yml#L54-L59
hackmd.io
https://hackmd.io/@hieuPenguinnn/databuff-default-jwt-secret-auth-bypass
www.vulncheck.com
https://www.vulncheck.com/advisories/databuff-ai-apm-web-through-0.1.10-authentication-bypass-via-hardcoded-hmac-secret
More from databuff
9.8
CVE-2026-111693
DataBuff ai-apm-web through 0.1.10 Hard-Coded Default Admin Credentials