{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8368", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-05-11T21:33:14.480Z", "datePublished": "2026-05-12T14:01:25.365Z", "dateUpdated": "2026-05-12T17:41:03.656Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "libwww-perl", "product": "LWP::UserAgent", "programFiles": ["lib/LWP/UserAgent.pm"], "programRoutines": [{"name": "LWP::UserAgent::request"}], "repo": "https://github.com/libwww-perl/libwww-perl", "vendor": "OALDERS", "versions": [{"lessThan": "6.83", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "reporter", "value": "Kai Aizen"}], "descriptions": [{"lang": "en", "value": "LWP::UserAgent versions before 6.83 for Perl leak Authorization and Proxy-Authorization headers on cross-origin redirects.\n\nOn a 3xx response, the redirect handler strips only Host and Cookie before issuing the follow-up request. Caller-supplied Authorization and Proxy-Authorization headers are sent unchanged to the redirect target, including across scheme, host, or port changes.\n\nA redirect to an attacker controlled host therefore discloses the caller's credentials to that host."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-522", "description": "CWE-522 Insufficiently Protected Credentials", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-05-12T14:01:25.365Z"}, "references": [{"tags": ["patch"], "url": "https://github.com/libwww-perl/libwww-perl/commit/9c4aeb6f2dd32f2b7eaf2d7827cade31ea6cb2c6.patch"}, {"tags": ["release-notes"], "url": "https://metacpan.org/release/OALDERS/libwww-perl-6.83/changes"}, {"tags": ["issue-tracking"], "url": "https://github.com/libwww-perl/libwww-perl/pull/512"}, {"tags": ["related"], "url": "https://github.com/libwww-perl/libwww-perl/pull/284"}], "solutions": [{"lang": "en", "value": "Upgrade to libwww-perl 6.83 or later."}], "source": {"discovery": "UNKNOWN"}, "timeline": [{"lang": "en", "time": "2026-05-11T00:00:00.000Z", "value": "Issue reported."}, {"lang": "en", "time": "2026-05-12T00:00:00.000Z", "value": "libwww-perl 6.83 released with fix."}], "title": "LWP::UserAgent versions before 6.83 for Perl leak Authorization and Proxy-Authorization headers on cross-origin redirects", "x_generator": {"engine": "cpansec-cna-tool 0.1"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/05/12/7"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-05-12T17:41:03.656Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "LWP::UserAgent versions before 6.83 for Perl leak Authorization and Proxy-Authorization headers on cross-origin redirects.\n\nOn a 3xx response, the redirect handler strips only Host and Cookie before issuing the follow-up request. Caller-supplied Authorization and Proxy-Authorization headers are sent unchanged to the redirect target, including across scheme, host, or port changes.\n\nA redirect to an attacker controlled host therefore discloses the caller's credentials to that host."}], "id": "CVE-2026-8368", "lastModified": "2026-05-12T18:17:33.157", "metrics": {}, "published": "2026-05-12T15:16:19.690", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/libwww-perl/libwww-perl/commit/9c4aeb6f2dd32f2b7eaf2d7827cade31ea6cb2c6.patch"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/libwww-perl/libwww-perl/pull/284"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/libwww-perl/libwww-perl/pull/512"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/release/OALDERS/libwww-perl-6.83/changes"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/05/12/7"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-522"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{}