Auth bypass in Starrocks
CVE-2026-82276
StarRocks through 4.0.13 contains an authentication bypass vulnerability in five REST handler classes that override execute() directly instead of implementing executeWithoutPassword(). Attackers can access six unauthenticated endpoints on the frontend HTTP port to disclose cluster topology, database metadata, JVM statistics, and version information without credentials.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/StarRocks/starrocks/issues/75747 (issue-tracking)
- github.com/StarRocks/starrocks (product)
- github.com/StarRocks/starrocks/blob/4.0.13/fe/fe-core/src/main/java/com/starroc… (technical-description)
- github.com/StarRocks/starrocks/blob/4.0.13/fe/fe-core/src/main/java/com/starroc… (technical-description)
- www.vulncheck.com/advisories/starrocks-frontend-rest-handlers-bypass-the-base-c… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-82276?
- CVE-2026-82276 is a medium-severity vulnerability in Starrocks, classified under Missing Authentication for Critical Function. CVSS score: 5.3/10. Published 2026-08-28.
- How severe is CVE-2026-82276?
- Medium severity. CVSS v3 base score is 5.3 out of 10.