Is there a public exploit for CVE-2024-29041?

No public exploit for CVE-2024-29041 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2024-29041?

CVE-2024-29041 scores CVSS 6.1 (v3.1), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.79%.

What does CVE-2024-29041 affect?

CVE-2024-29041 affects expressjs express.

6.1 Medium

Express.js minimalist web framework for node.

CVE-2024-29041

Impact Versions of Express.js prior to 4.19.2 and pre-release alpha and beta versions before 5.0.0-beta.3 are affected by an open redirect vulnerability using malformed URLs. When a user of Express performs a redirect using a user-provided URL Express performs an encode [using encodeurl](https://github.com/pillarjs/encodeurl) on the contents before passing it to the location header. This can cause malformed URLs to be evaluated in unexpected ways by common redirect allow list implementations in Express applications, leading to an Open Redirect via bypass of a properly implemented allow list. The main method impacted is res.location() but this is also called from within res.redirect(). Patches https://github.com/expressjs/express/commit/0867302ddbde0e9463d0564fea5861feb708c2dd https://github.com/expressjs/express/commit/0b746953c4bd8e377123527db11f9cd866e39f94 An initial fix went out with express@4.19.0, we then patched a feature regression in 4.19.1 and added improved handling for the bypass in 4.19.2. Workarounds The fix for this involves pre-parsing the url string with either require('node:url').parse or new URL. These are steps you can take on your own before passing the user…

Assessment

CVSS: 6.1 (v3.1)
Severity: Medium
EPSS: 0.79% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 25 March 2024
Last updated: 17 June 2026
Affected: expressjs · express · express
Weakness: CWE-1286, CWE-601
Assigner: security-advisories@github.com

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

At the source

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