CVE-2025-29972

CRITICAL

Azure Storage Resource Provider - SSRF

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2025-29972. PoCs published by ThemeHackers, TH-SecForge.

AI-analyzed exploit summary This PoC demonstrates an authorization bypass in Next.js by manipulating the `x-middleware-subrequest` header to skip middleware security checks. It tests for vulnerability by comparing responses with and without the header.

Description

Server-side request forgery (ssrf) in Azure Storage Resource Provider allows an authorized attacker to perform spoofing over a network.

Exploits (3)

nomisec WORKING POC 2 stars
by ThemeHackers · poc
https://github.com/ThemeHackers/CVE-2025-29972

This PoC demonstrates an authorization bypass in Next.js by manipulating the `x-middleware-subrequest` header to skip middleware security checks. It tests for vulnerability by comparing responses with and without the header.

Classification
Working Poc 90%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: Next.js versions prior to 14.2.25 and 15.2.3
No auth needed
Prerequisites: Target Next.js application with vulnerable middleware · Network access to the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC 1 stars
by TH-SecForge · poc
https://github.com/TH-SecForge/CVE-2025-29972

This PoC demonstrates an authorization bypass in Next.js by manipulating the `x-middleware-subrequest` header to skip middleware security checks. It tests for vulnerability by comparing responses with and without the header.

Classification
Working Poc 90%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: Next.js versions prior to 14.2.25 and 15.2.3
No auth needed
Prerequisites: Target Next.js application with vulnerable middleware · Network access to the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →
gitlab WORKING POC
by ThemeHackers · poc
https://gitlab.com/ThemeHackers/CVE-2025-29972

The repository contains a functional Python exploit for CVE-2025-29972, which bypasses Next.js middleware authorization checks by manipulating the `x-middleware-subrequest` header. The exploit sends crafted HTTP requests to test for vulnerability and checks for protected content in responses.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: Next.js versions prior to 14.2.25 and 15.2.3
No auth needed
Prerequisites: Target Next.js application with vulnerable middleware · Network access to the target
devstral-2 · analyzed Feb 23, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 9.9
EPSS 0.0255
EPSS Percentile 83.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-918
Status published
Products (1)
microsoft/azure_storage_resource_provider
Published May 08, 2025
Tracked Since Feb 18, 2026