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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
OpenClaw OpenClaw unaffected
Version Status Constraints
0 affected < 2026.3.28
2026.3.28 unaffected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Openclaw Subscribe
Openclaw Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a cve-icon cve-icon
https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j cve-icon cve-icon
https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel cve-icon cve-icon
History

Tue, 31 Mar 2026 14:30:00 +0000

Type Values Removed Values Added
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.
Title OpenClaw < 2026.3.28 - Unauthorized Media Download via Zalo Channel
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-863
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-03-31T14:10:30.529Z

Reserved: 2026-03-23T11:00:48.408Z

Link: CVE-2026-33576

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-03-31T15:16:14.327

Modified: 2026-03-31T15:16:14.327

Link: CVE-2026-33576

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses