Medium severity · published Mar 31, 2026
CVE-2026-33576
OpenClaw < 2026.3.28 - Unauthorized Media Download via Zalo Channel
6.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · OpenClaw
before 2026.3.28 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-33576
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-33576
Patch
https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a
Vendor Advisory
https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
Third Party Advisory
https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel
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