---
title: "CVE-2026-31377: Apache Doris - Authentication Bypass"
description: "Apache Doris 2.0.0 to 4.1.4 contains an improper authentication vulnerability caused by relying on client-supplied node information for authentication in the Frontend meta service, letting unauthenticated remote attackers access internal metadata endpoints, exploit requires specific network configurations."
url: https://panop.io/threat-heartbeat/CVE-2026-31377/
---

# CVE-2026-31377 Apache Doris - Authentication Bypass

Apache Doris 2.0.0 to 4.1.4 contains an improper authentication vulnerability caused by relying on client-supplied node information for authentication in the Frontend meta service, letting unauthenticated remote attackers access internal metadata endpoints, exploit requires specific network configurations.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.54% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-31377)

## Details

Type

Authentication Bypass

Impact

Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Published

23 September 2026

Updated

15 October 2026

Weakness

[CWE-287](https://cwe.mitre.org/data/definitions/287.html)

## Vendor fix

Upgrade to version 4.0.8 or 4.1.4 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-31377](https://nvd.nist.gov/vuln/detail/CVE-2026-31377)
- [https://lists.apache.org/thread/rf4ocqmzxvnwnxpsooj2lkzjl68b1m9q](https://lists.apache.org/thread/rf4ocqmzxvnwnxpsooj2lkzjl68b1m9q)
- [http://www.openwall.com/lists/oss-security/2026/09/23/10](http://www.openwall.com/lists/oss-security/2026/09/23/10)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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