GET

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/349228?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/349228?format=api",
    "vulnerability_id": "VCID-pbu7-4hdm-s3a6",
    "summary": "Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Sendfile#map_accel_path interpolates the value of the X-Accel-Mapping request header directly into a regular expression when rewriting file paths for X-Accel-Redirect. Because the header value is not escaped, an attacker who can supply X-Accel-Mapping to the backend can inject regex metacharacters and control the generated X-Accel-Redirect response header. In deployments using Rack::Sendfile with x-accel-redirect, this can allow an attacker to cause nginx to serve unintended files from configured internal locations. This issue has been patched in versions 2.2.23, 3.1.21, and 3.2.6.",
    "aliases": [
        {
            "alias": "CVE-2026-34830"
        },
        {
            "alias": "GHSA-qv7j-4883-hwh7"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/1059939?format=api",
            "purl": "pkg:deb/debian/ruby-rack@2.2.22-0%2Bdeb12u1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-rack@2.2.22-0%252Bdeb12u1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/1059941?format=api",
            "purl": "pkg:deb/debian/ruby-rack@3.1.20-0%2Bdeb13u1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-rack@3.1.20-0%252Bdeb13u1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/1059652?format=api",
            "purl": "pkg:deb/debian/ruby-rack@3.2.6-2?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-rack@3.2.6-2%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/1059943?format=api",
            "purl": "pkg:deb/debian/ruby-rack@3.2.6-2",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-rack@3.2.6-2"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/994089?format=api",
            "purl": "pkg:gem/rack@2.2.23",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/rack@2.2.23"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/994090?format=api",
            "purl": "pkg:gem/rack@3.1.21",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/rack@3.1.21"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/994091?format=api",
            "purl": "pkg:gem/rack@3.2.6",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/rack@3.2.6"
        }
    ],
    "affected_packages": [
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        },
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