CVE-2024-5452

A remote code execution (RCE) vulnerability exists in the lightning-ai/pytorch-lightning library version 2.2.1 due to improper handling of deserialized user input and mismanagement of dunder attributes by the `deepdiff` library. The library uses `deepdiff.Delta` objects to modify application state based on frontend actions. However, it is possible to bypass the intended restrictions on modifying dunder attributes, allowing an attacker to construct a serialized delta that passes the deserializer whitelist and contains dunder attributes. When processed, this can be exploited to access other modules, classes, and instances, leading to arbitrary attribute write and total RCE on any self-hosted pytorch-lightning application in its default configuration, as the delta endpoint is enabled by default.

• CWE-915
• CWE-913

• https://github.com/lightning-ai/pytorch-lightning/commit/330af381de88cff17515418a341cbc1f9f127f9a
• https://huntr.com/bounties/486add92-275e-4a7b-92f9-42d84bc759daExploit, Third Party Advisory
• https://huntr.com/bounties/486add92-275e-4a7b-92f9-42d84bc759daExploit, Third Party Advisory

Published

Jun 6, 2024

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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• CVE-2024-54514The issue was addressed with improved checks. This issue is …8.6
• CVE-2024-54515A logic issue was addressed with improved restrictions. This…7.8
• CVE-2024-54516A permissions issue was addressed with additional restrictio…3.3
• CVE-2024-54517The issue was addressed with improved bounds checks. This is…7.8
• CVE-2024-54518The issue was addressed with improved bounds checks. This is…5.3
• CVE-2024-54519The issue was resolved by sanitizing logging. This issue is …5.5
• CVE-2024-54520A path handling issue was addressed with improved validation…5.5
• CVE-2024-54522The issue was addressed with improved bounds checks. This is…7.8
• CVE-2024-54523The issue was addressed with improved bounds checks. This is…6.3
• CVE-2024-54524A logic issue was addressed with improved file handling. Thi…5.5
• CVE-2024-54525A logic issue was addressed with improved file handling. Thi…8.8
• CVE-2024-54526The issue was addressed with improved checks. This issue is …5.5