How severe is CVE-2026-33359?

CVE-2026-33359 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-33359 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-33359?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-33359 have an EU (EUVD) identifier?

Yes. CVE-2026-33359 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29104.

When was CVE-2026-33359 published?

CVE-2026-33359 was published on 2026-05-11 and last updated on 2026-06-17.

CVE-2026-33359

CVE-2026-33359 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29104
Weakness: CWE-862
Published: 2026-05-11
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-33359?: 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.
How severe is CVE-2026-33359?: CVE-2026-33359 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-33359 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-33359?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-33359 have an EU (EUVD) identifier?: Yes. CVE-2026-33359 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29104.
When was CVE-2026-33359 published?: CVE-2026-33359 was published on 2026-05-11 and last updated on 2026-06-17.

References

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