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CVE-2026-33359— Meari unauthenticated alert image access in cloud object storage

Quick assessment

Affected
Meari Alibaba OSS Hosted
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.

Meari Alibaba OSS是中国觅睿（Meari）公司的一个结合对象存储服务的物联网云端数据存储方案。 Meari Alibaba OSS存在安全漏洞，该漏洞源于Meari IoT Cloud中未进行身份验证、签名URL或过期强制，可能导致运动快照可被直接对象引用检索且长期有效。

CVSS 7.5 · High EPSS 0.50% · P41

Possible ATT&CK Techniques 2 AI

T1530 · Data from Cloud Storage T1530.002

Affected Version Matrix 1

VendorProduct Version RangeStatus
Meari Alibaba OSS Hosted April, 2026 affected
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I. Basic Information for CVE-2026-33359

Vulnerability Information
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Vulnerability Title
Meari unauthenticated alert image access in cloud object storage
Source: CVE Program / CVE List V5
Vulnerability Description
In Meari IoT Cloud alert image storage on Alibaba OSS (latest observed; storage service version not disclosed), motion snapshots are retrievable without authentication, signed URLs, or expiry enforcement. URLs function as direct object references and remain valid beyond expected operational windows.
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
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Meari Alibaba OSS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Meari Alibaba OSS是中国觅睿（Meari）公司的一个结合对象存储服务的物联网云端数据存储方案。 Meari Alibaba OSS存在安全漏洞，该漏洞源于Meari IoT Cloud中未进行身份验证、签名URL或过期强制，可能导致运动快照可被直接对象引用检索且长期有效。
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
Meari Alibaba OSS Hosted April, 2026 -

II. Public POCs for CVE-2026-33359

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III. Intelligence Information for CVE-2026-33359

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Vendor Advisories for CVE-2026-33359 (1)

Other References for CVE-2026-33359 (1)

Same Patch Batch · Meari · 2026-05-11 · 5 CVEs total

CVE-2026-33362 8.6 HIGH Meari SDK hardcoded cryptographic keys
CVE-2026-33356 7.7 HIGH Meari MQTT broker missing per-device subscribe ACL
CVE-2026-33357 7.5 HIGH Meari OpenAPI device status IDOR
CVE-2026-33361 7.5 HIGH Meari weak XOR obfuscation

IV. Related Vulnerabilities

Same vendor: Meari
Same weakness: CWE-862

V. Comments for CVE-2026-33359

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