CVE-2025-69725: An Open Redirect vulnerability in the go-chi/chi >=5.2.2 RedirectSlashes function allows remote attackers t...
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.
Security readout for executives and security teams
Plain-English summary
This CVE is an open redirect in go-chi/chi's RedirectSlashes behavior. A victim may see a trusted domain but be redirected to an attacker-controlled site. The listed severity is medium, mainly because user interaction is required and the direct technical impact is limited.
Executive priority
Treat as a medium-priority web application issue. It is unlikely to enable direct infrastructure compromise, but it can damage user trust and support phishing when present on branded public sites.
Technical view
The record describes CWE-601 in go-chi/chi >=5.2.2 RedirectSlashes. A remote unauthenticated attacker could cause a victim user to follow a redirect from the legitimate application domain to a malicious website. CVSS 3.1 is 4.7 with network access, low complexity, changed scope, and required user interaction.
Likely exposure
Exposure is most likely in Go web services using go-chi/chi >=5.2.2 with RedirectSlashes enabled on routes reachable by users, especially public-facing login, account, or customer portals.
Exploitation context
The provided bundle does not show CISA KEV listing or any cited active exploitation. Abuse would likely require convincing a user to follow a crafted link and could support phishing or trust abuse rather than direct server compromise.
Researcher notes
Affected metadata in the bundle is incomplete, listing vendor and product as n/a while the description names go-chi/chi >=5.2.2. Do not assume a fixed version from this bundle alone; use the advisory for authoritative remediation details.
Mitigation direction
Identify services using go-chi/chi and RedirectSlashes.
Check the GitHub advisory for patched versions or official workaround guidance.
Prioritize public-facing applications and authentication-adjacent flows.
Review redirect handling so off-domain redirects are not trusted security signals.
Monitor the CVE and advisory for updated affected-version details.
Validation and detection
Inventory Go dependencies for go-chi/chi usage.
Inspect routing middleware for RedirectSlashes enablement.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · medium confidence lookup
CWE-601: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
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We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-601 · source CWE mapping
URL Redirection to Untrusted Site ('Open Redirect')
URL Redirection to Untrusted Site ('Open Redirect') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.