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Luu, T.J.

HighVulnerability

CVE-2026-39981: AGiXT is a dynamic AI Agent Automation Platform. Prior to 1.9.2, the safe_join() function in the essential_abilities…

Source: NVD(opens in a new tab)
Identifier: CVE-2026-39981
Published: April 9, 2026
Record updated: October 9, 2026

Summary

CVE-2026-39981 affects AGiXT, an AI Agent Automation Platform, before version 1.9.2. The safe_join() function in the essential_abilities extension does not check that resolved file paths stay within the designated agent workspace. An authenticated attacker can use directory traversal sequences to read, write, or delete arbitrary files on the server hosting the AGiXT instance.

Mitigation

Fixed in 1.9.2.

Details

Scores and exploitation

CVSS score: 8.8(high)
Patch available: Yes
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector: network
Attack complexity: low
Privileges required: low
User interaction: none
EPSS: 1.4%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on October 9, 2026.
Disclosure date: April 9, 2026

Weaknesses and techniques

Weakness (CWE): CWE-22
Attack pattern (CAPEC): CAPEC-126
AI threat technique (MITRE ATLAS): AML.T0010

Affected

Packages: agixt@<= 1.9.1 (fixed: 1.9.2)

Classification

Attack type: Other
Attack sophistication: Trivial
AI component targeted: Agent
Impact: Confidentiality,
Integrity,
Availability
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-39981

First tracked: April 9, 2026 at 08:07 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 90% (self-assessed)

Topics

AI agents

Summary

Mitigation

Topics

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