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Python CVE-2026-26020

HIGH
Improper Authorization (CWE-285)
2026-02-12 security-advisories@github.com
8.8
CVSS 3.1
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CVSS VectorNVD

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
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
Patch released
Feb 17, 2026 - 20:10 nvd
Patch available
CVE Published
Feb 12, 2026 - 21:16 nvd
HIGH 8.8

DescriptionNVD

AutoGPT is a platform that allows users to create, deploy, and manage continuous artificial intelligence agents that automate complex workflows. Prior to 0.6.48, an authenticated user could achieve Remote Code Execution (RCE) on the backend server by embedding a disabled block inside a graph. The BlockInstallationBlock - a development tool capable of writing and importing arbitrary Python code - was marked disabled=True, but graph validation did not enforce this flag. This allowed any authenticated user to bypass the restriction by including the block as a node in a graph, rather than calling the block's execution endpoint directly (which did enforce the flag). This vulnerability is fixed in 0.6.48.

AnalysisAI

Remote code execution in AutoGPT prior to version 0.6.48 allows authenticated users to execute arbitrary Python code on the backend server by embedding a disabled BlockInstallationBlock within a workflow graph, bypassing validation controls that only checked the disabled flag at direct execution endpoints. An attacker with valid credentials can exploit this to gain full control over the backend system and automate malicious workflows. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate to AutoGPT platform
Delivery
Create graph with disabled BlockInstallationBlock
Exploit
Embed arbitrary Python code in block
Execution
Submit graph for execution
Impact
Backend server executes malicious code

Vulnerability AssessmentAI

Exploitation Authenticated user account on AutoGPT versions prior to 0.6.48. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 8.8 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A remote attacker (requires authentication) could exploit this vulnerability to create, deploy, and manage continuous artificial intelligence agents that automa.
Remediation A vendor patch is available — apply it immediately. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify all AutoGPT deployments and current version numbers; assess which systems are internet-facing or accessible to external users. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-26020 vulnerability details – vuln.today

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