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

High 7.5 Published Updated

Attackers can access Meari IoT motion snapshots without authentication via direct object references in Alibaba OSS, exposing private user data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-33359?

CVE-2026-33359 is a high-severity missing authorization vulnerability in Meari Alibaba OSS Hosted, published on 11 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-862

Which versions are affected by CVE-2026-33359?

How do I fix CVE-2026-33359?

No fix has been published for CVE-2026-33359 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-33359 being exploited?

There is no known exploitation of CVE-2026-33359 in the wild and no public exploit code.

Sources

Also known as GHSA-fxwq-qqhr-34q4.

Is CVE-2026-33359 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free