CVE-2025-32437: AutoGPT has a DoS vulnerability in MediaDurationBlock
AutoGPT is a workflow automation platform for creating, deploying, and managing continuous artificial intelligence agents. Prior to 0.6.63, `MediaDurationBlock` will download and store the video in a temporary directory without deleting before all noded are done. `StepThroughItemsBlock` can be used to iterate `MediaDurationBlock` multiple times. `StepThroughItemsBlock` does not limit the number of loops. In addition, `MediaDurationBlock ` does not limit the amount of disk space consumed in the current working directory and does not delete the video after outputing the result. When a malicious user chooses to screen shot many web pages, the disk space will eventually run out, causing a DoS. Version 0.6.63 patches the issue.
Security readout for executives and security teams
Plain-English summary
CVE-2025-32437 is a denial-of-service flaw in AutoGPT before 0.6.63. A malicious unauthenticated user can trigger repeated media duration processing that stores downloaded videos without adequate cleanup or disk limits. Over time, this can fill disk space and disrupt service availability.
Executive priority
Prioritize remediation for internet-facing or multi-user AutoGPT deployments. The main business risk is service outage from disk exhaustion, not data theft, based on the provided sources.
Technical view
AutoGPT’s MediaDurationBlock downloads video into a temporary directory and, before 0.6.63, does not delete it after output. StepThroughItemsBlock can repeatedly invoke it without loop limits. The issue is classified as CWE-400 resource consumption, with CVSS 4.0 score 8.7 and high availability impact.
Likely exposure
Systems running Significant-Gravitas AutoGPT versions earlier than 0.6.63 are affected. Exposure is higher where untrusted users can create or run workflows using MediaDurationBlock and StepThroughItemsBlock.
Exploitation context
The source describes network-accessible, low-complexity exploitation with no privileges or user interaction required. It does not cite active exploitation, and the CVE is not marked as CISA KEV in the provided data.
Researcher notes
Evidence is limited to the CVE record and GitHub advisory. The described root cause is missing resource limits and cleanup in workflow blocks. No exploit code, public exploitation, or additional affected products are identified in the provided sources.
Mitigation direction
Upgrade AutoGPT to version 0.6.63 or later.
Review vendor advisory GHSA-rg6v-m9x9-7wf9 for current guidance.
Restrict untrusted workflow creation or execution until upgraded.
Monitor disk usage on AutoGPT hosts for abnormal growth.
Validation and detection
Inventory AutoGPT deployments and confirm installed versions.
Identify workflows using MediaDurationBlock and StepThroughItemsBlock.
Check whether untrusted users can submit or run workflows.
Review host disk usage trends and temporary storage growth.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
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cwe · low confidence lookup
CWE-400: Exact CWE lookup
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CWE-400 · source CWE mapping
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.