CVE-2023-26159 Follow Redirects improperly handles URLs in the url.parse() function
Attackers can manipulate URL parsing to redirect traffic to malicious sites, enabling phishing or information disclosure in applications using the library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-26159?
CVE-2023-26159 is a high-severity vulnerability in follow-redirects, published on 2 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Versions of the package follow-redirects before 1.15.4 are vulnerable to Improper Input Validation due to the improper handling of URLs by the url.parse() function. When new URL() throws an error, it can be manipulated to misinterpret the hostname. An attacker could exploit this weakness to redirect traffic to a malicious site, potentially leading to information disclosure, phishing attacks, or other security breaches.
Which versions are affected by CVE-2023-26159?
2 open source packages ship an affected version, including follow-redirects. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
follow-redirects npm | All versions | 1.15.4 |
follow-redirects npm | All versions | 1.15.4 |
Products include Follow-Redirects Follow Redirects.
How do I fix CVE-2023-26159?
Upgrade follow-redirects to 1.15.4 or later.
Is CVE-2023-26159 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-26159 exists.
Sources
Also known as AZL-32314, AZL-38299, AZL-43636, AZL-45348, CLSA-2026-1776818197, DEBIAN-CVE-2023-26159 and 2 more.