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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-67349— OpenCost < 1.121.0 Unauthenticated Helm Values Exposure and Admin Bypass

Quick assessment

Affected
opencost opencost
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenCost OpenCost是OpenCost组织开源的一款云成本监控工具。 OpenCost 1.121.0之前版本存在授权问题漏洞，该漏洞源于未能对GET /helmValues端点进行身份验证，暴露了包含云提供商凭据的HELM_VALUES环境变量，并且adminAuthMiddleware在ADMIN_TOKEN未设置时开放，允许未认证攻击者通过POST /serviceKey修改GCP服务账号密钥，重定向计费调用。

CVSS 7.5 · High EPSS 0.50% · P42

Affected Version Matrix 1

VendorProduct Version RangeStatus
opencost opencost < 1.121.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-67349

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
OpenCost < 1.121.0 Unauthenticated Helm Values Exposure and Admin Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
OpenCost before 1.121.0 fails to authenticate the GET /helmValues endpoint, exposing base64-decoded HELM_VALUES environment variable containing cloud provider credentials. Additionally, adminAuthMiddleware fails open when ADMIN_TOKEN is unset, allowing unauthenticated attackers to modify GCP service account keys via POST /serviceKey to redirect billing calls.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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
Vulnerability Title
OpenCost 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenCost OpenCost是OpenCost组织开源的一款云成本监控工具。 OpenCost 1.121.0之前版本存在授权问题漏洞，该漏洞源于未能对GET /helmValues端点进行身份验证，暴露了包含云提供商凭据的HELM_VALUES环境变量，并且adminAuthMiddleware在ADMIN_TOKEN未设置时开放，允许未认证攻击者通过POST /serviceKey修改GCP服务账号密钥，重定向计费调用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
opencost opencost 0 ~ 1.121.0 -

II. Public POCs for CVE-2026-67349

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7359 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-67349

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-67349 (2)

Vendor Advisories for CVE-2026-67349 (1)

News Coverage for CVE-2026-67349 (1)

Vendor Pages for CVE-2026-67349 (1)

IV. Related Vulnerabilities

Same product: opencost
Same vendor: opencost
Same weakness: CWE-306