CVE-2026-44372

Name: CVE-2026-44372
Creator: NVD / NIST
Published: 2026-05-13T21:16:47.89+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2026-44372 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Nitro is a next generation server toolkit. Prior to 3.0.260429-beta, an attacker could turn a redirect route rule using wildcards rewrite into a cross-host redirect by sliding an extra slash in after the rule prefix. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

Nitro is a next generation server toolkit. Prior to 3.0.260429-beta, an attacker could turn a redirect route rule using wildcards rewrite into a cross-host redirect by sliding an extra slash in after the rule prefix. This vulnerability is fixed in 3.0.260429-beta.

Metrics

CVSS 3.1

6.1/10

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

CVSS 4.0

5.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.24%

14.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-601

Affected Software

Vendor	Product	Versions
Nitro	Nitro	< 2.13.4
Nitro	Nitro	> 2.13.4, < 3.0.260429

References

https://github.com/nitrojs/nitro/pull/4236Issue Tracking, Patch
https://github.com/nitrojs/nitro/releases/tag/v2.13.4Release Notes
https://github.com/nitrojs/nitro/releases/tag/v3.0.260429-betaRelease Notes
https://github.com/nitrojs/nitro/security/advisories/GHSA-9phm-9p8f-hw5mVendor Advisory

Timeline

Published: May 13, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-44372?

How severe is CVE-2026-44372?

CVE-2026-44372 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2026-44372?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-44372?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST