GHSA-fx95-883v-4q4h

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    GHSA-fx95-883v-4q4h

    Published: 18 Mar 2022Last Modified: 8 Jul 2026

    Summary: Path traversal in github.com/valyala/fasthttp

    Details: The package github.com/valyala/fasthttp before 1.34.0 is vulnerable to Directory Traversal via the ServeFile function, due to improper sanitization. It is possible to be exploited by using a backslash %5c character in the path. **Note:** This security issue impacts Windows users only.

    References: https://nvd.nist.gov/vuln/detail/CVE-2022-21221, https://github.com/valyala/fasthttp/issues/1226, https://github.com/valyala/fasthttp/commit/15262ecf3c602364639d465daba1e7f3604d00e8, https://github.com/valyala/fasthttp/commit/6b5bc7bb304975147b4af68df54ac214ed2554c1, https://github.com/valyala/fasthttp, https://github.com/valyala/fasthttp/releases/tag/v1.34.0, https://pkg.go.dev/vuln/GO-2022-0355, https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMVALYALAFASTHTTP-2407866

    Affected packages

    Package

    Name: github.com/valyala/fasthttp

    Purl: pkg:golang/github.com/valyala/fasthttp

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -1.34.0

    Affected versions

    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
    GHSA-fx95-883v-4q4h | CVE-DB