CVE-2026-33576 OpenClaw < 2026.3.28 - Unauthorized Media Download via Zalo Channel
Unauthorized senders can force network fetches and disk writes by sending messages to Zalo channels before authorization checks occur.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-33576?
CVE-2026-33576 is a medium-severity missing authorization vulnerability in Openclaw Openclaw, published on 31 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-863
Which versions are affected by CVE-2026-33576?
2 open source packages ship an affected version, including openclaw. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
openclaw npm | All versions | 2026.3.28 |
openclaw npm | All versions | 2026.3.28 |
Products include Openclaw Openclaw.
How do I fix CVE-2026-33576?
Upgrade openclaw to 2026.3.28 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-33576 being exploited?
There is no known exploitation of CVE-2026-33576 in the wild and no public exploit code.
Other vulnerabilities in Openclaw Openclaw
- CVE-2026-28363 Security feature bypass in OpenClaw
- CVE-2026-30741 Code injection in n/a
- CVE-2026-33579 OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval
- CVE-2026-32922 OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate
- CVE-2026-32978 OpenClaw < 2026.3.11 - Approval Bypass via Unrecognized Script Runners
Sources
Also known as GHSA-v2v2-f783-358j, MINI-h4r8-g728-h293.