CVE-2026-122132

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    CVE-2026-122132

    Published: 4 Nov 2026Last Modified: 7 Nov 2026

    Summary: go-chi chi 5.2.2 through 5.5.0 Open Redirect via RedirectSlashes Middleware

    Details: go-chi chi 5.2.2 through 5.5.0 contains an open redirect vulnerability in the RedirectSlashes middleware that allows attackers to redirect victims to external hosts by embedding tab characters in request paths. Attackers can craft links with a URL-encoded tab, which browsers strip from the 301 Location header and resolve as a protocol-relative URL, bypassing the fix for CVE-2025-69725.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/122xxx/CVE-2026-122132.json, https://github.com/go-chi/chi/security/advisories/GHSA-mqqf-5wvp-8fh8, https://nvd.nist.gov/vuln/detail/CVE-2026-122132, https://www.vulncheck.com/advisories/go-chi-chi-5.2.2-through-5.5.0-open-redirect-via-redirectslashes-middleware, https://github.com/go-chi/chi/pull/1238, https://github.com/go-chi/chi, https://github.com/go-chi/chi/blob/v5.5.0/middleware/strip.go#L41-L69

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 23c395f8524a30334126ca16fb4d37b88745b9b9
    Fixed -None

    Affected versions

    v5.5.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-122132 | CVE-DB