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Back to active CVEs
High · CVSS 8.6CVE-2026-97635

Agent Zero Web UI XSSCVE-2026-97635

Answer in brief

CVE-2026-97635 records a High severity (CVSS 8.6) vulnerability in Agent Zero Web UI XSS. The current sources do not mark it as known exploited. The current feed maps Agent Zero/Agent Zero (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 22, 2026Updated Oct 22, 2026Source checked Oct 22, 2026First seen by HOL Oct 22, 2026Material review Oct 22, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.6
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.6. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Agent Zero/Agent Zero (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Agent Zero/Agent Zerogeneric>=0 <1.151.15

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Agent Zero/Agent Zero.
  2. 2Review the reported fix. Update Agent Zero/Agent Zero to 1.15 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 22, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 22, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 22, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referenceraw.githubusercontent.com
  • Source referencecve.org
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • OpenCATS before 0.12.0 Stored XSS via MRU Navigation PanelAlso CWE-79

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Oct 22, 2026
References
4 linked sources
Open source record