Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-82266— Redpanda Admin API Unauthenticated Superuser Access via Default Configuration

Quick assessment

Affected
redpanda-data redpanda
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Redpanda 在 26.2.2 及之前版本中，将 Admin API 绑定到 0.0.0.0:9644，且 默认值为 false，从而将未认证请求视为超级用户。攻击者无需凭据即可访问 9644 端口，能够创建和删除 broker 账户、修改集群配置，并干扰分区复制。

CVSS 9.8 · Critical

Possible ATT&CK Techniques 2 AI

T1133 · External Remote Services T1210.002

Affected Version Matrix 1

VendorProduct Version RangeStatus
redpanda-data redpanda ≤ 26.2.2 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-82266

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Redpanda Admin API Unauthenticated Superuser Access via Default Configuration
Source: CVE Program / CVE List V5
Vulnerability Description
Redpanda through 26.2.2 binds the Admin API to 0.0.0.0:9644 with admin_api_require_auth defaulting to false, treating unauthenticated requests as superusers. Attackers can reach port 9644 without credentials to create and delete broker accounts, modify cluster configuration, and disrupt partition replication.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
redpanda-data redpanda 0 ~ 26.2.2 -

II. Public POCs for CVE-2026-82266

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-82266

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-82266 (2)

Vendor Pages for CVE-2026-82266 (1)

IV. Related Vulnerabilities

Same weakness: CWE-306

V. Comments for CVE-2026-82266

No comments yet

Leave a comment