What is CVE-2026-97635?

CVE-2026-97635 is a high-severity vulnerability in Agent Zero, classified under Cross-site Scripting. CVSS score: 8.1/10. Published 2026-10-22.

How severe is CVE-2026-97635?

High severity. CVSS v3 base score is 8.1 out of 10.

XSS in Agent Zero

CVE-2026-97635

The Agent Zero Web UI before 1.15 does not correctly sanitize user-provided input in chat messages or file uploads. When Agent Zero reproduces content in the chat interface, any injected JavaScript is executed in the context of the victim’s authenticated Agent Zero Web UI session.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-22.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Agent Zero

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

9119a7d8-5eab-497f-8521-727c672e3725 (release-notes)
9119a7d8-5eab-497f-8521-727c672e3725 (issue-tracking)
9119a7d8-5eab-497f-8521-727c672e3725 (vdb-entry)
9119a7d8-5eab-497f-8521-727c672e3725 (third-party-advisory)

Frequently asked questions

What is CVE-2026-97635?: CVE-2026-97635 is a high-severity vulnerability in Agent Zero, classified under Cross-site Scripting. CVSS score: 8.1/10. Published 2026-10-22.
How severe is CVE-2026-97635?: High severity. CVSS v3 base score is 8.1 out of 10.