CVE-2026-33576

MEDIUM

OpenClaw < 2026.3.28 - Unauthorized Media Download via Zalo Channel

Title source: cna
STIX 2.1

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.

References (3)

Core 3
Core References
Third Party Advisory third-party-advisory
GitHub Security Advisory (GHSA-v2v2-f783-358j)
https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
Third Party Advisory third-party-advisory
VulnCheck Advisory: OpenClaw < 2026.3.28 - Unauthorized Media Download via Zalo Channel
https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel

Scores

CVSS v3 6.5
EPSS 0.0036
EPSS Percentile 27.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (4)
npm/openclaw 0 - 2026.3.28npm
OpenClaw/OpenClaw < 2026.3.28
openclaw/openclaw < 2026.3.28
OpenClaw/OpenClaw 2026.3.28
Published Mar 31, 2026
Tracked Since Mar 31, 2026