{"api_version":"1","generated_at":"2026-10-19T23:06:52+00:00","cve":"CVE-2026-111946","urls":{"html":"https://cve.report/CVE-2026-111946","api":"https://cve.report/api/cve/CVE-2026-111946.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-111946","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-111946"},"summary":{"title":"Plack::Middleware::ETag versions from 0.04 before 0.06 for Perl disclose file inode numbers in the default ETag header","description":"Plack::Middleware::ETag versions from 0.04 before 0.06 for Perl disclose file inode numbers in the default ETag header.\n\nWhen the response body is a filehandle and the file_etag option is not set, the ETag is built from the file's inode number, modification time and size. Clients receiving affected responses may use the disclosed inode numbers to aid backend fingerprinting and correlation of files served through different URLs.","state":"PUBLISHED","assigner":"CPANSec","published_at":"2026-10-19 21:17:06","updated_at":"2026-10-19 21:17:06"},"problem_types":["CWE-497","CWE-497 CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere"],"metrics":[],"references":[{"url":"https://metacpan.org/release/RRWO/Plack-Middleware-ETag-0.06/changes","name":"https://metacpan.org/release/RRWO/Plack-Middleware-ETag-0.06/changes","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/robrwo/perl-Plack-Middleware-ETag/security/advisories/GHSA-943g-rgq5-6xc8","name":"https://github.com/robrwo/perl-Plack-Middleware-ETag/security/advisories/GHSA-943g-rgq5-6xc8","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2003-1418","name":"https://www.cve.org/CVERecord?id=CVE-2003-1418","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-111946","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111946","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"Upgrade to Plack-Middleware-ETag 0.06 or later. Where the file_etag option is set, remove the use of \"inode\".","time":"","lang":"en"}],"workarounds":[{"source":"CNA","title":"","value":"For deployments that cannot upgrade to 0.06, where the file_etag option is set, remove the use of \"inode\". If the file_etag option is not specified, change it to [\"mtime\", \"size\"].","time":"","lang":"en"}],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","modules":["Plack::Middleware::ETag"],"packageName":"Plack-Middleware-ETag","packageURL":"pkg:cpan/Plack-Middleware-ETag","programFiles":["lib/Plack/Middleware/ETag.pm"],"programRoutines":[{"name":"Plack::Middleware::ETag::call"}],"repo":"https://github.com/robrwo/perl-Plack-Middleware-ETag","versions":[{"lessThan":"0.06","status":"affected","version":"0.04","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"Plack::Middleware::ETag versions from 0.04 before 0.06 for Perl disclose file inode numbers in the default ETag header.\n\nWhen the response body is a filehandle and the file_etag option is not set, the ETag is built from the file's inode number, modification time and size. Clients receiving affected responses may use the disclosed inode numbers to aid backend fingerprinting and correlation of files served through different URLs."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-497","description":"CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-19T20:54:56.964Z","orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec"},"references":[{"tags":["vendor-advisory"],"url":"https://github.com/robrwo/perl-Plack-Middleware-ETag/security/advisories/GHSA-943g-rgq5-6xc8"},{"tags":["release-notes"],"url":"https://metacpan.org/release/RRWO/Plack-Middleware-ETag-0.06/changes"},{"tags":["related"],"url":"https://www.cve.org/CVERecord?id=CVE-2003-1418"}],"solutions":[{"lang":"en","value":"Upgrade to Plack-Middleware-ETag 0.06 or later. Where the file_etag option is set, remove the use of \"inode\"."}],"source":{"discovery":"UNKNOWN"},"title":"Plack::Middleware::ETag versions from 0.04 before 0.06 for Perl disclose file inode numbers in the default ETag header","workarounds":[{"lang":"en","value":"For deployments that cannot upgrade to 0.06, where the file_etag option is set, remove the use of \"inode\". If the file_etag option is not specified, change it to [\"mtime\", \"size\"]."}],"x_generator":{"engine":"cpansec-cna-tool 0.1"}}},"cveMetadata":{"assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","assignerShortName":"CPANSec","cveId":"CVE-2026-111946","datePublished":"2026-10-19T20:54:56.964Z","dateReserved":"2026-10-17T14:22:00.942Z","dateUpdated":"2026-10-19T20:54:56.964Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-19 21:17:06","lastModifiedDate":"2026-10-19 21:17:06","problem_types":["CWE-497","CWE-497 CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"111946","Ordinal":"1","Title":"Plack::Middleware::ETag versions from 0.04 before 0.06 for Perl ","CVE":"CVE-2026-111946","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"111946","Ordinal":"1","NoteData":"Plack::Middleware::ETag versions from 0.04 before 0.06 for Perl disclose file inode numbers in the default ETag header.\n\nWhen the response body is a filehandle and the file_etag option is not set, the ETag is built from the file's inode number, modification time and size. Clients receiving affected responses may use the disclosed inode numbers to aid backend fingerprinting and correlation of files served through different URLs.","Type":"Description","Title":"Plack::Middleware::ETag versions from 0.04 before 0.06 for Perl "}]}}}