CVE-2023-43654

CRITICAL EXPLOITED NUCLEI

TorchServe 0.1.0-0.8.1 - Server-Side Request Forgery via Model URL Parameter

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-43654 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 3 public exploits from researchers including OligoCyberSecurity, Idan Levcovich, Guy Kaplan, Gal Elbaz, Swapneil Kumar Dash, Spencer McIntyre, including a Metasploit module exploits/multi/http/torchserver_cve_2023_43654. A Nuclei detection template is also available.

AI-analyzed exploit summary The repository contains a shell script named 'ShellTorchChecker.sh' but lacks technical details about CVE-2023-43654. The README is not provided in the snippet, but the presence of a generic script name and no exploit code suggests it may be a lure.

Description

TorchServe is a tool for serving and scaling PyTorch models in production. TorchServe default configuration lacks proper input validation, enabling third parties to invoke remote HTTP download requests and write files to the disk. This issue could be taken advantage of to compromise the integrity of the system and sensitive data. This issue is present in versions 0.1.0 to 0.8.1. A user is able to load the model of their choice from any URL that they would like to use. The user of TorchServe is responsible for configuring both the allowed_urls and specifying the model URL to be used. A pull request to warn the user when the default value for allowed_urls is used has been merged in PR #2534. TorchServe release 0.8.2 includes this change. Users are advised to upgrade. There are no known workarounds for this issue.

Exploits (3)

nomisec SUSPICIOUS 39 stars
by OligoCyberSecurity · infoleak
https://github.com/OligoCyberSecurity/ShellTorchChecker

The repository contains a shell script named 'ShellTorchChecker.sh' but lacks technical details about CVE-2023-43654. The README is not provided in the snippet, but the presence of a generic script name and no exploit code suggests it may be a lure.

Classification
Suspicious 90%
Attack Type
Other
Complexity
Unknown
Reliability
Theoretical
Target: unknown
No auth needed
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec SCANNER 2 stars
by OligoCyberSecurity · poc
https://github.com/OligoCyberSecurity/CVE-2023-43654

This repository provides a scanner tool (ShellTorch-Checker) to detect CVE-2023-43654, an SSRF vulnerability in PyTorch TorchServe that can lead to arbitrary remote code execution. It includes instructions for setting up a vulnerable environment and running the scanner to verify the presence of the vulnerability.

Classification
Scanner 90%
Attack Type
Ssrf
Complexity
Moderate
Reliability
Reliable
Target: PyTorch TorchServe 0.8.1
No auth needed
Prerequisites: Access to the target TorchServe instance · Network connectivity to the management interface (port 8081)
devstral-2 · analyzed Feb 19, 2026 Full analysis →
metasploit WORKING POC EXCELLENT
by Idan Levcovich, Guy Kaplan, Gal Elbaz, Swapneil Kumar Dash, Spencer McIntyre · rubypocjava
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/torchserver_cve_2023_43654.rb

This Metasploit module exploits CVE-2022-1471 (SnakeYAML deserialization) and CVE-2023-43654 (PyTorch model server SSRF) to achieve remote code execution by registering a malicious MAR file containing a crafted YAML payload.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: PyTorch TorchServe < 8.0.2
No auth needed
Prerequisites: Network access to the TorchServe management interface (default port 8081) · Target running a vulnerable version of TorchServe
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Nuclei Templates (1)

PyTorch TorchServe SSRF
CRITICALVERIFIEDby DhiyaneshDk
FOFA: body="Requested method is not allowed, please refer to API document"

Scores

CVSS v3 10.0
EPSS 0.9099
EPSS Percentile 99.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

VulnCheck KEV 2025-11-26
CWE
CWE-918
Status published
Products (2)
pypi/torchserve 0.1.0 - 0.8.2PyPI
pytorch/torchserve 0.1.0 - 0.8.2
Published Sep 28, 2023
Tracked Since Feb 18, 2026