VulnerabilityReceived

CVE-2025-71405

chi versions before v5.2.2 contain an open redirect vulnerability in the RedirectSlashes middleware function that uses the Host header to construct redirect URLs.

MEDIUM 5.1EPSS 0.31%

Does this matter?

Lower severity and a low EPSS score (0.31%). Track it; it rarely justifies an emergency change on its own.

Description

chi versions before v5.2.2 contain an open redirect vulnerability in the RedirectSlashes middleware function that uses the Host header to construct redirect URLs. Attackers can manipulate the Host header to redirect users to arbitrary hosts, enabling phishing attacks and credential theft.

CVSS 4.0: 5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.31% probability · 23th percentile
CISA KEV: Not listed
Weakness: CWE-601
Source: disclosure@vulncheck.com

References

https://github.com/go-chi/chi/security/advisories/GHSA-vrw8-fxc6-2r93
https://www.vulncheck.com/advisories/go-chi-chi-before-open-redirect-via-redirectslashes
https://github.com/go-chi/chi/security/advisories/GHSA-vrw8-fxc6-2r93

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.