CVE-2026-33576

MEDIUM 6.5

OpenClaw < 2026.3.28 - Unauthorized Media Download via Zalo Channel

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

11th

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.

CWE	CWE-863
Vendor	openclaw
Product	openclaw
Published	Mar 31, 2026
Last Updated	Apr 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

Affected Versions

OpenClaw / OpenClaw

0 < 2026.3.28

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 AntAISecurityLab