CVE-2026-31377 Apache Doris: Improper Authentication Allows Unauthorized Access to FE Meta Service
Unauthenticated attackers can bypass authentication to access internal metadata endpoints, exposing sensitive cluster information in Apache Doris.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-31377?
CVE-2026-31377 is a high-severity authentication bypass vulnerability in Apache Doris, published on 23 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An Improper Authentication vulnerability in the Apache Doris Frontend (FE) meta service allows an unauthenticated remote attacker to access internal metadata service endpoints.
The affected endpoints relied on client-supplied node information for authentication without providing sufficient authentication of the requesting party. Under certain network configurations, a remote attacker may be able to bypass the intended access control and access internal FE metadata interfaces, potentially exposing sensitive cluster information.
This issue affects Apache Doris: from 2.0.0 through 2.0.*, from 2.1.0 through 2.1.*, from 3.0.0 through 3.0.*, from 3.1.0 through 3.1.*, from 4.0.0 before 4.0.8, and from 4.1.0 before 4.1.4. Versions 1.2.x and earlier are not affected by this header-trust vulnerability.
Users are recommended to upgrade to a fixed release (4.0.8 or 4.1.4), which fixes the issue.
Weakness: CWE-287
Which versions are affected by CVE-2026-31377?
How do I fix CVE-2026-31377?
No fix has been published for CVE-2026-31377 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-31377 being exploited?
There is no known exploitation of CVE-2026-31377 in the wild and no public exploit code.
Sources
Also known as GHSA-6cx7-4x8x-cqpx.