{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-7381",
        "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "state": "PUBLISHED",
        "assignerShortName": "CPANSec",
        "dateReserved": "2026-04-29T07:43:55.519Z",
        "datePublished": "2026-04-29T22:13:35.351Z",
        "dateUpdated": "2026-04-30T13:18:45.937Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "collectionURL": "https://cpan.org/modules",
                    "defaultStatus": "unaffected",
                    "packageName": "Plack",
                    "product": "Plack::Middleware::XSendfile",
                    "programFiles": [
                        "lib/Plack/Middleware::XSendfile.pm"
                    ],
                    "repo": "https://github.com/plack/Plack",
                    "vendor": "MIYAGAWA",
                    "versions": [
                        {
                            "lessThanOrEqual": "1.0053",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "CPANSec"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Plack::Middleware::XSendfile versions through 1.0053 for Perl can allow client-controlled path rewriting.\n\nPlack::Middleware::XSendfile allows the variation setting (sendfile type) to be set by the client via the X-Sendfile-Type header, if it is not considered in the middleware constructor or the Plack environment.\n\nA malicious client can set the X-Sendfile-Type header to \"X-Accel-Redirect\" to services running behind nginx reverse proxies, and then set the X-Accel-Mapping to map the path to an arbitrary file on the server.\n\nSince 1.0053, Plack::Middleware::XSendfile is deprecated and will be removed from future releases of Plack.\n\nThis is similar to CVE-2025-61780 for Rack::Sendfile, although Plack::Middleware::XSendfile has some mitigations that disallow regular expressions to be used in the mapping, and only apply the mapping for the \"X-Accel-Redirect\" type."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-200",
                            "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-441",
                            "description": "CWE-441 Unintended Proxy or Intermediary",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-913",
                            "description": "CWE-913 Improper Control of Dynamically-Managed Code Resources",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
                "shortName": "CPANSec",
                "dateUpdated": "2026-04-29T22:13:35.351Z"
            },
            "references": [
                {
                    "tags": [
                        "release-notes"
                    ],
                    "url": "https://metacpan.org/release/MIYAGAWA/Plack-1.0053/changes"
                },
                {
                    "tags": [
                        "technical-description"
                    ],
                    "url": "https://metacpan.org/release/MIYAGAWA/Plack-1.0053/view/lib/Plack/Middleware/XSendfile.pm#DEPRECATION-NOTICE"
                },
                {
                    "tags": [
                        "related"
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61780"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Users are encouraged to set the appropriate header directly in their applications, or write their own middleware layer that does not allow configuration to be passed via HTTP request headers."
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "timeline": [
                {
                    "lang": "en",
                    "time": "2025-10-10T00:00:00.000Z",
                    "value": "Issue for Rack::Sendfile reported"
                },
                {
                    "lang": "en",
                    "time": "2026-04-27T00:00:00.000Z",
                    "value": "Issue reported to maintainer of Plack"
                },
                {
                    "lang": "en",
                    "time": "2025-04-28T00:00:00.000Z",
                    "value": "Plack 1.0052 released with improved security documentation in Plack::Middleware::XSendfile"
                },
                {
                    "lang": "en",
                    "time": "2025-04-29T00:00:00.000Z",
                    "value": "Plack 1.0053 released that deprecates Plack::Middleware::XSendfile"
                }
            ],
            "title": "Plack::Middleware::XSendfile versions through 1.0053 for Perl can allow client-controlled path rewriting",
            "workarounds": [
                {
                    "lang": "en",
                    "value": "Users can configure the X-Sendfile-Type in the middleware constructor, and the reverse proxy to unset the X-Sendfile-Type header and (on nginx) the X-Accel-Mapping request header."
                }
            ],
            "x_generator": {
                "engine": "cpansec-cna-tool 0.1"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 9.1,
                            "attackVector": "NETWORK",
                            "baseSeverity": "CRITICAL",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "NONE",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-04-30T13:18:16.234435Z",
                                "id": "CVE-2026-7381",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-04-30T13:18:45.937Z"
                }
            }
        ]
    }
}