CVE-2023-26159

CVE-2023-26159 is a high-severity vulnerability in Follow-redirects Follow Redirects with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.

Key facts

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.

Frequently asked questions

What is CVE-2023-26159?
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.
How severe is CVE-2023-26159?
CVE-2023-26159 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-26159 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26159?
CVE-2023-26159 affects Follow-redirects Follow Redirects. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26159?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-26159 have an EU (EUVD) identifier?
Yes. CVE-2023-26159 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0377.
When was CVE-2023-26159 published?
CVE-2023-26159 was published on 2024-01-02 and last updated on 2026-06-17.

References

Affected products (1)

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