High severity · published Oct 22, 2026
CVE-2026-97635
Agent Zero Web UI XSS
New
8.1
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AZ
Agent Zero · Agent Zero
before 1.15 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-97635
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-97635
github.com
https://github.com/agent0ai/agent-zero/issues/943
github.com
https://github.com/agent0ai/agent-zero/releases/tag/v1.15
raw.githubusercontent.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-296-01.json
www.cve.org
https://www.cve.org/CVERecord?id=CVE-2026-97635
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