What is CVE-2026-32040?

CVE-2026-32040 is a medium-severity vulnerability in Openclaw, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2026-03-19.

How severe is CVE-2026-32040?

Medium severity. CVSS v3 base score is 4.6 out of 10.

XSS in Openclaw

CVE-2026-32040

OpenClaw versions prior to 2026.2.23 contain an html injection vulnerability in the HTML session exporter that allows attackers to execute arbitrary javascript by injecting malicious mimeType values in image content blocks. Attackers can c…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (9.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Openclaw — versions 0, 2026.2.23

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

GitHub Security Advisory (GHSA-2ww6-868g-2c56) (third-party-advisory)
Patch PR (product)
VulnCheck Advisory: OpenClaw < 2026.2.23 - HTML Injection via Unvalidated Image MIME Type in Data-URL Interpolation (third-party-advisory)

Frequently asked questions

What is CVE-2026-32040?: CVE-2026-32040 is a medium-severity vulnerability in Openclaw, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2026-03-19.
How severe is CVE-2026-32040?: Medium severity. CVSS v3 base score is 4.6 out of 10.