{"api_version":"1","generated_at":"2026-11-12T06:36:25+00:00","cve":"CVE-2026-126673","urls":{"html":"https://cve.report/CVE-2026-126673","api":"https://cve.report/api/cve/CVE-2026-126673.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-126673","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-126673"},"summary":{"title":"Data::Dump::Streamer versions before 3.00 for Perl allow code injection via unescaped Regexp patterns in _dump_qr","description":"Data::Dump::Streamer versions before 3.00 for Perl allow code injection via unescaped Regexp patterns in _dump_qr.\n\nA Regexp's pattern is written into a qr literal without escaping \"$\" or \"@\", so \"@{[ ... ]}\" and \"${\\ ... }\" in the pattern run as code when the dump is evaluated. An already escaped delimiter gets a second backslash, which leaves the delimiter bare and ends the qr literal early.\n\nAn attacker who supplies a pattern that an application compiles, dumps and later restores with eval or do can run arbitrary Perl code.","state":"PUBLISHED","assigner":"CPANSec","published_at":"2026-11-12 01:17:11","updated_at":"2026-11-12 06:17:14"},"problem_types":["CWE-94","CWE-94 CWE-94 Improper Control of Generation of Code"],"metrics":[],"references":[{"url":"http://www.openwall.com/lists/oss-security/2026/11/12/2","name":"http://www.openwall.com/lists/oss-security/2026/11/12/2","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://metacpan.org/release/YVES/Data-Dump-Streamer-3.00/source/Changes","name":"https://metacpan.org/release/YVES/Data-Dump-Streamer-3.00/source/Changes","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-126673","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126673","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"Upgrade to Data-Dump-Streamer 3.00 or later.","time":"","lang":"en"}],"workarounds":[{"source":"CNA","title":"","value":"For deployments that cannot upgrade to 3.00, which requires Perl 5.18 and a C compiler, do not restore dumps that contain Regexps compiled from untrusted input.","time":"","lang":"en"}],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2026-11-12T05:05:03.042Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"http://www.openwall.com/lists/oss-security/2026/11/12/2"}],"title":"CVE Program Container"}],"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","modules":["Data::Dump::Streamer"],"packageName":"Data-Dump-Streamer","packageURL":"pkg:cpan/Data-Dump-Streamer","programFiles":["lib/Data/Dump/Streamer.pm"],"programRoutines":[{"name":"Data::Dump::Streamer::_dump_qr"}],"repo":"https://github.com/demerphq/Data-Dump-Streamer","versions":[{"lessThan":"3.00","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"Data::Dump::Streamer versions before 3.00 for Perl allow code injection via unescaped Regexp patterns in _dump_qr.\n\nA Regexp's pattern is written into a qr literal without escaping \"$\" or \"@\", so \"@{[ ... ]}\" and \"${\\ ... }\" in the pattern run as code when the dump is evaluated. An already escaped delimiter gets a second backslash, which leaves the delimiter bare and ends the qr literal early.\n\nAn attacker who supplies a pattern that an application compiles, dumps and later restores with eval or do can run arbitrary Perl code."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-94","description":"CWE-94 Improper Control of Generation of Code","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-11-12T00:44:34.065Z","orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec"},"references":[{"tags":["release-notes"],"url":"https://metacpan.org/release/YVES/Data-Dump-Streamer-3.00/source/Changes"}],"solutions":[{"lang":"en","value":"Upgrade to Data-Dump-Streamer 3.00 or later."}],"source":{"discovery":"UNKNOWN"},"title":"Data::Dump::Streamer versions before 3.00 for Perl allow code injection via unescaped Regexp patterns in _dump_qr","workarounds":[{"lang":"en","value":"For deployments that cannot upgrade to 3.00, which requires Perl 5.18 and a C compiler, do not restore dumps that contain Regexps compiled from untrusted input."}],"x_generator":{"engine":"cpansec-cna-tool 0.1"}}},"cveMetadata":{"assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","assignerShortName":"CPANSec","cveId":"CVE-2026-126673","datePublished":"2026-11-12T00:44:34.065Z","dateReserved":"2026-11-11T12:57:30.656Z","dateUpdated":"2026-11-12T05:05:03.042Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-11-12 01:17:11","lastModifiedDate":"2026-11-12 06:17:14","problem_types":["CWE-94","CWE-94 CWE-94 Improper Control of Generation of Code"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"126673","Ordinal":"1","Title":"Data::Dump::Streamer versions before 3.00 for Perl allow code in","CVE":"CVE-2026-126673","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"126673","Ordinal":"1","NoteData":"Data::Dump::Streamer versions before 3.00 for Perl allow code injection via unescaped Regexp patterns in _dump_qr.\n\nA Regexp's pattern is written into a qr literal without escaping \"$\" or \"@\", so \"@{[ ... ]}\" and \"${\\ ... }\" in the pattern run as code when the dump is evaluated. An already escaped delimiter gets a second backslash, which leaves the delimiter bare and ends the qr literal early.\n\nAn attacker who supplies a pattern that an application compiles, dumps and later restores with eval or do can run arbitrary Perl code.","Type":"Description","Title":"Data::Dump::Streamer versions before 3.00 for Perl allow code in"}]}}}