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

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.

Published: 2026-05-11 Last update: 2026-05-13 Assigner: 44488dab-36db-4358-99f9-bc116477f914 Source: 44488dab-36db-4358-99f9-bc116477f914
NVD Status：Deferred，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2026-33359 is rated Low Risk (36.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.06%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-33359

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-17 0.05% 0.06% +0.01%
2 2026-05-12 — 0.05% —

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-33359

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 44488dab-36db-4358-99f9-bc116477f914

Weakness enumeration for CVE-2026-33359

GitHub Security Advisory for CVE-2026-33359

GHSA-fxwq-qqhr-34q4 · Severity: high — In Meari IoT Cloud alert image storage on Alibaba OSS (latest observed; storage service version...

Affected software / configurations for CVE-2026-33359

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2026-33359

cvelogic Threat Intelligence