Vulnerability Report

CVE-2024-34351

Title: Vercel Next.Js Server-Side Request Forgery (SSRF)

Server-Side Request Forgery (SSRF)

Proof Of Concept

PoC Available for CVE-2024-34351

CWE Category CWE-918
Published Date May 14, 2024
Modified Date Sep 10, 2025
Exploit Status Available
Score 7.5 CVSS v3.1
Exploit Probability (EPSS)
92.75%

Vulnerability Summary

CVE-2024-34351: Next.js is a React framework that can provide building blocks to create web applications. A Server-Side Request Forgery (SSRF) vulnerability was identified in Next.js Server Actions. If the `Host` header is modified, and the below conditions are also met, an attacker may be able to make requests that appear to be originating from the Next.js application server itself. The required conditions are 1) Next.js is running in a self-hosted manner; 2) the Next.js application makes use of Server Actions; and 3) the Server Action performs a redirect to a relative path which starts with a `/`. This vulnerability was fixed in Next.js `14.1.1`.

Impacted Vendors

Z
zeit 1
V
vercel 1
K
kanopi 1

Reference Links

https://github.com/vercel/next.js/commit/8f7a6ca7d21a97bc9f7a1bbe10427b5ad74b9085 https://github.com/vercel/next.js/pull/62561 https://github.com/vercel/next.js/security/advisories/GHSA-fr5h-rqp8-mj6g https://github.com/vercel/next.js/commit/8f7a6ca7d21a97bc9f7a1bbe10427b5ad74b9085 https://github.com/vercel/next.js/pull/62561 https://github.com/vercel/next.js/security/advisories/GHSA-fr5h-rqp8-mj6g
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2024-34351 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/Voorivex/CVE-2024-34351
View Code
GitHub https://github.com/God4n/nextjs-CVE-2024-34351-_exploit
View Code
GitHub https://github.com/avergnaud/Next.js_exploit_CVE-2024-34351
View Code
MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Stack

No specific products linked.