How severe is CVE-2026-33576?

CVE-2026-33576 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2026-33576 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33576?

CVE-2026-33576 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33576?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-33576 have an EU (EUVD) identifier?

Yes. CVE-2026-33576 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17431.

When was CVE-2026-33576 published?

CVE-2026-33576 was published on 2026-03-31 and last updated on 2026-06-17.

CVE-2026-33576

CVE-2026-33576 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 6.5. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 6.9
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-17431
Weakness: CWE-863
Affected product: Openclaw
Published: 2026-03-31
Last modified: 2026-06-17

Description

OpenClaw before 2026.3.28 downloads and stores inbound media from Zalo channels before validating sender authorization. Unauthorized senders can force network fetches and disk writes to the media store by sending messages that are subsequently rejected.

Frequently asked questions

What is CVE-2026-33576?: OpenClaw before 2026.3.28 downloads and stores inbound media from Zalo channels before validating sender authorization. Unauthorized senders can force network fetches and disk writes to the media store by sending messages that are subsequently rejected.
How severe is CVE-2026-33576?: CVE-2026-33576 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2026-33576 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33576?: CVE-2026-33576 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33576?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-33576 have an EU (EUVD) identifier?: Yes. CVE-2026-33576 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17431.
When was CVE-2026-33576 published?: CVE-2026-33576 was published on 2026-03-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

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