CVE-2021-24040

Due to use of unsafe YAML deserialization logic, an attacker with the ability to modify local YAML configuration files could provide malicious input, resulting in remote code execution or similar risks. This issue affects ParlAI prior to v1.1.0.

• CWE-502
• CWE-502

• http://packetstormsecurity.com/files/164136/Facebook-ParlAI-1.0.0-Code-Execution-Deserialization.htmlExploit, Third Party Advisory, VDB Entry
• https://github.com/facebookresearch/ParlAI/releases/tag/v1.1.0Release Notes, Third Party Advisory
• https://github.com/facebookresearch/ParlAI/security/advisories/GHSA-m87f-9fvv-2mggPatch, Third Party Advisory
• http://packetstormsecurity.com/files/164136/Facebook-ParlAI-1.0.0-Code-Execution-Deserialization.htmlExploit, Third Party Advisory, VDB Entry
• https://github.com/facebookresearch/ParlAI/releases/tag/v1.1.0Release Notes, Third Party Advisory
• https://github.com/facebookresearch/ParlAI/security/advisories/GHSA-m87f-9fvv-2mggPatch, Third Party Advisory

Published

Sep 10, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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