CVE-2026-33576

medium

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

Advisories
More

https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel

https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j

https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a

Details

Source: Mitre, NVD

Published: 2026-03-31

Updated: 2026-07-24

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 6.5

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

Severity: Medium

CVSS v4

Base Score: 6.9

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00036