Which versions of Python are affected by CVE-2026-4307?

Organizations using A security flaw should be aware of moderate risk from CVE-2026-4307, a path traversal vulnerability rated CVSS 4.3. This could allow unauthorized file access.

Is there a public PoC exploit available for CVE-2026-4307?

Yes, a public proof-of-concept exploit is available for CVE-2026-4307. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-4307?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review file handling controls.

Python CVE-2026-4307

Q: What is the CVSS score of CVE-2026-4307?

CVE-2026-4307 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

EUVD-2026-12536 LOW

Path Traversal (CWE-22)

2026-03-17 VulDB

Python Path Traversal Agent Zero

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

5.3 (MEDIUM) 2.1 (LOW)

CVSS changed

Apr 22, 2026 - 21:37 NVD

4.3 (MEDIUM) 5.3 (MEDIUM)

PoC Detected

Mar 17, 2026 - 14:20 vuln.today

Public exploit code

EUVD ID Assigned

Mar 17, 2026 - 08:13 euvd

EUVD-2026-12536

Analysis Generated

Mar 17, 2026 - 08:13 vuln.today

CVE Published

Mar 17, 2026 - 03:32 nvd

MEDIUM 4.3

DescriptionCVE.org

A security flaw has been discovered in frdel/agent0ai agent-zero 0.9.7-10. The impacted element is the function get_abs_path of the file python/helpers/files.py. The manipulation results in path traversal. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Agent Zero 0.9.7-10's get_abs_path function in python/helpers/files.py is vulnerable to path traversal, allowing authenticated remote attackers to access files outside intended directories with limited confidentiality impact. Public exploit code exists for this vulnerability, and no patch is currently available from the vendor.