{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-8450", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-05-12T21:26:04.212Z", "datePublished": "2026-05-27T04:22:26.539Z", "dateUpdated": "2026-07-15T00:39:17.237Z" }, "containers": { "cna": { "affected": [ { "collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "HTTP-Daemon", "product": "HTTP::Daemon", "programFiles": [ "lib/HTTP/Daemon.pm" ], "programRoutines": [ { "name": "HTTP::Daemon::ClientConn::send_file" } ], "repo": "https://github.com/libwww-perl/HTTP-Daemon", "vendor": "OALDERS", "versions": [ { "lessThan": "6.17", "status": "affected", "version": "0", "versionType": "custom" } ] } ], "descriptions": [ { "lang": "en", "value": "HTTP::Daemon versions before 6.17 for Perl allow OS command injection via send_file().\n\nsend_file() opens its string argument with Perl's 2-arg open(). The 2-arg form interprets magic prefixes: '| cmd' and 'cmd |' open a pipe to a subprocess, '> path' and '>> path' open the path for write or append.\n\nUntrusted input passed to send_file() can run OS commands at the daemon process UID. The read-pipe form ('cmd |') also leaks subprocess stdout into the HTTP response body. The write-mode forms can create or truncate files at attacker chosen paths." } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-78", "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-73", "description": "CWE-73 External Control of File Name or Path", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-05-27T04:22:26.539Z" }, "references": [ { "tags": [ "issue-tracking" ], "url": "https://github.com/libwww-perl/HTTP-Daemon/pull/89" }, { "tags": [ "patch" ], "url": "https://github.com/libwww-perl/HTTP-Daemon/commit/945d35141d94490f749640bd4390acd6a2193995.patch" }, { "tags": [ "release-notes" ], "url": "https://metacpan.org/release/OALDERS/HTTP-Daemon-6.17/changes" } ], "solutions": [ { "lang": "en", "value": "Upgrade to HTTP-Daemon 6.17 or later." } ], "source": { "discovery": "UNKNOWN" }, "timeline": [ { "lang": "en", "time": "2026-05-12T00:00:00.000Z", "value": "Issue identified." }, { "lang": "en", "time": "2026-05-19T00:00:00.000Z", "value": "HTTP-Daemon 6.17 released." } ], "title": "HTTP::Daemon versions before 6.17 for Perl allow OS command injection via send_file()", "x_generator": { "engine": "cpansec-cna-tool 0.1" } }, "adp": [ { "title": "CVE Program Container", "references": [ { "url": "http://www.openwall.com/lists/oss-security/2026/05/27/5" }, { "url": "https://lists.debian.org/debian-lts-announce/2026/06/msg00028.html" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-06-22T07:58:11.660Z" } }, { "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": "2026-05-27T15:46:44.248133Z", "id": "CVE-2026-8450", "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": "2026-05-27T15:54:59.687Z" } }, { "affected": [ { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:10.2" ], "defaultStatus": "affected", "packageName": "perl-HTTP-Daemon", "product": "Red Hat Enterprise Linux 10", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "0:6.16-7.el10_2.1", "versionType": "rpm" } ] }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:enterprise_linux:8::crb" ], "defaultStatus": "affected", "packageName": "perl-HTTP-Daemon", "product": "Red Hat Enterprise Linux 8", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "0:6.01-24.el8_10", "versionType": "rpm" } ] }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:enterprise_linux:9::crb" ], "defaultStatus": "affected", "packageName": "perl-HTTP-Daemon", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "0:6.12-6.el9_8.1", "versionType": "rpm" } ] }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:7" ], "defaultStatus": "affected", "packageName": "perl-HTTP-Daemon", "product": "Red Hat Enterprise Linux 7", "vendor": "Red Hat" } ], "datePublic": "2026-05-27T04:22:26.539Z", "descriptions": [ { "lang": "en", "value": "A flaw was found in HTTP::Daemon, a Perl module used for creating HTTP servers. A remote attacker can exploit this vulnerability by providing specially crafted input to the `send_file()` function, leading to OS command injection. This allows the attacker to execute arbitrary commands on the system with the privileges of the daemon process, potentially resulting in full system compromise or data manipulation." } ], "metrics": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-78", "description": "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "lang": "en", "type": "CWE" } ] } ], "references": [ { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2026-8450" }, { "name": "RHBZ#2481773", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481773" }, { "tags": [ "x_sadp-csaf-vex" ], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8450.json" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:36189" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:36188" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:36187" } ], "solutions": [ { "lang": "en", "value": "RHSA-2026:36189: Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)" }, { "lang": "en", "value": "RHSA-2026:36188: Red Hat Enterprise Linux CRB (v. 8)" }, { "lang": "en", "value": "RHSA-2026:36187: Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)" } ], "timeline": [ { "lang": "en", "time": "2026-05-27T05:00:58.395Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-05-27T04:22:26.539Z", "value": "Made public." } ], "title": "perl-HTTP-Daemon: HTTP::Daemon: Arbitrary code execution via OS command injection in send_file()", "x_adpType": "supplier", "x_generator": { "engine": "sadp-cli 1.0.0" }, "providerMetadata": { "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-07-15T00:39:17.237Z" } } ] } }