SSRF in Agent0ai Agent-Zero
CVE-2026-4308
A weakness has been identified in frdel/agent0ai agent-zero 0.9.7. This affects the function handle_pdf_document of the file python/helpers/document_query.py. This manipulation causes server-side request forgery. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (25.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Agent0ai Agent-Zero — versions 0.9.7
- Frdel Agent-Zero — versions 0.9.7
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- gist.github.com/YLChen-007/c99c44aa019266a72636757308d43989 (related)
- gist.github.com/YLChen-007/c99c44aa019266a72636757308d43989 (exploit)
Frequently asked questions
- What is CVE-2026-4308?
- CVE-2026-4308 is a medium-severity vulnerability in Agent0ai Agent-Zero, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-03-17.
- How severe is CVE-2026-4308?
- Medium severity. CVSS v3 base score is 6.3 out of 10.