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. Attackers can manipulate the Host header to redirect users to arbitrary hosts, enabling phishing attacks and credential theft.

CVSS 4.0

5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

EPSS

0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-25)

CWE

CWE-601

Published

2026-08-14

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Packages (OSV)

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

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