What’s Vulnerable › Vulnerabilities

CVE-2026-97635: Agent Zero Web UI XSS

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-22 · updated 2026-10-23
• Weakness: CWE-79

Description

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.

Affected products

• Agent Zero: before 1.15 — fixed in 1.15

How to fix

Upgrade to a fixed version: Agent Zero 1.15. Check the vendor advisory for mitigations.

References

• https://github.com/agent0ai/agent-zero/issues/943
• https://github.com/agent0ai/agent-zero/releases/tag/v1.15
• https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-296-01.json
• https://www.cve.org/CVERecord?id=CVE-2026-97635

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