Home/CVE/OpenClaw before 2026.3.28 downloads and stores inbound media from Zalo channels before validating sender authorization.
CVE

CVE-2026-33576

OpenClaw before 2026.3.28 downloads and stores inbound media from Zalo channels before validating sender authorization.

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.

MEDIUM · CVSS 6.5 EPSS 0.00017
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
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Weakness Classification

CWE-863Incorrect Authorization
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Affected Products & Versions

1
openclaw< 2026.3.28
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm openclaw MODERATE fixed in 2026.3.28
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Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · disclosure@vulncheck.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD31 Mar 2026 · 03:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312aPatch
https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358jVendor Advisory
https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channelThird Party Advisory
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