High 8.1Published Oct 22, 2026

CVE-2026-97635Agent Zero Web UI XSS

Updated under an hour ago (Oct 25, 2026, 7:50 PM ET)

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It affects Agent Zero. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.26%, higher than 17% of scored CVEs.

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Every CVE for Agent Zero

Exploited in the last 30 days

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.

CVSS: 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.26% (percentile 17)
Assigned by: cisa-cg
NVD analysis: Awaiting Analysis
Record last updated: Oct 22, 2026
First seen by InfoSec Signals: Oct 22, 2026

Affected products

Affected products

Agent Zero Agent Zero agent_zero:agent_zero (from the name)	before 1.15; 1.15 not affected	CNA record

References

https://github.com/agent0ai/agent-zero/releases/tag/v1.15release-notes
https://github.com/agent0ai/agent-zero/issues/943issue-tracking
https://www.cve.org/CVERecord?id=CVE-2026-97635vdb-entry
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-296-01.jsonthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.