{"id":"CVE-2026-11527","state":"PUBLISHED","title":"Config::IniFiles versions before 3.001000 for Perl allow OS command injection and file overwrite via a 2-arg open() of the -file argument in _make_filehandle","description":"Config::IniFiles versions before 3.001000 for Perl allow OS command injection and file overwrite via a 2-arg open() of the -file argument in _make_filehandle.\n\nConfig::IniFiles::_make_filehandle opens a filename argument with Perl's 2-arg open(), so a filename that begins or ends with a pipe (\"| cmd\", \"cmd |\") or begins with a redirect (\"> path\", \">> path\") is run as a command or redirect rather than opened as a file. The helper is the open path behind the documented -file argument: new(-file => $thing) reaches it through ReadConfig. An in-memory scalar reference (-file => \\$text) does not open a path and is unaffected.\n\nAny caller that forwards untrusted input to the -file argument can run an arbitrary command or truncate a file under the process UID.","publishedAt":"2026-06-14T11:40:45.634Z","updatedAt":"2026-06-19T20:31:36.704Z","severity":{"score":8.6,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"CPANSec","products":["SHLOMIF Config::IniFiles"],"affected":[{"vendor":"SHLOMIF","product":"Config::IniFiles","packageName":"Config-IniFiles","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.001000","versionType":"custom"}],"collectionURL":"https://cpan.org/modules","programFiles":["lib/Config/IniFiles.pm"],"programRoutines":[{"name":"Config::IniFiles::_make_filehandle"}],"repo":"https://github.com/shlomif/perl-Config-IniFiles"}],"references":["https://github.com/shlomif/perl-Config-IniFiles/commit/3e48f9627fbba4dae5de35be1f735cdeb7e47fb8.patch","https://metacpan.org/release/SHLOMIF/Config-IniFiles-3.001000/changes","http://www.openwall.com/lists/oss-security/2026/06/14/5","https://lists.debian.org/debian-lts-announce/2026/06/msg00026.html"],"weaknesses":["CWE-78","CWE-73"],"ingestedAt":"2026-10-29T20:10:52.580Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/11xxx/CVE-2026-11527.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-11527","state":"PUBLISHED","datePublished":"2026-06-14T11:40:45.634Z","dateUpdated":"2026-06-19T20:31:36.704Z","assignerShortName":"CPANSec","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","dateReserved":"2026-06-07T19:33:54.590Z"},"containers":{"cna":{"title":"Config::IniFiles versions before 3.001000 for Perl allow OS command injection and file overwrite via a 2-arg open() of the -file argument in _make_filehandle","descriptions":[{"lang":"en","value":"Config::IniFiles versions before 3.001000 for Perl allow OS command injection and file overwrite via a 2-arg open() of the -file argument in _make_filehandle.\n\nConfig::IniFiles::_make_filehandle opens a filename argument with Perl's 2-arg open(), so a filename that begins or ends with a pipe (\"| cmd\", \"cmd |\") or begins with a redirect (\"> path\", \">> path\") is run as a command or redirect rather than opened as a file. The helper is the open path behind the documented -file argument: new(-file => $thing) reaches it through ReadConfig. An in-memory scalar reference (-file => \\$text) does not open a path and is unaffected.\n\nAny caller that forwards untrusted input to the -file argument can run an arbitrary command or truncate a file under the process UID."}],"affected":[{"vendor":"SHLOMIF","product":"Config::IniFiles","packageName":"Config-IniFiles","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.001000","versionType":"custom"}],"collectionURL":"https://cpan.org/modules","programFiles":["lib/Config/IniFiles.pm"],"programRoutines":[{"name":"Config::IniFiles::_make_filehandle"}],"repo":"https://github.com/shlomif/perl-Config-IniFiles"}],"references":[{"url":"https://github.com/shlomif/perl-Config-IniFiles/commit/3e48f9627fbba4dae5de35be1f735cdeb7e47fb8.patch","tags":["patch"]},{"url":"https://metacpan.org/release/SHLOMIF/Config-IniFiles-3.001000/changes","tags":["release-notes"]}],"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":{"shortName":"CPANSec","orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","dateUpdated":"2026-06-14T11:40:45.634Z"},"solutions":[{"lang":"en","value":"Upgrade to Config::IniFiles 3.001000 or later, which opens the -file argument with a 3-arg read open so the filename is never interpreted as a command or redirect."}],"source":{"discovery":"UNKNOWN"},"workarounds":[{"lang":"en","value":"For deployments that cannot upgrade to 3.001000, do not pass untrusted input as the -file argument. Callers can open the file themselves and pass the resulting filehandle, or pass the configuration as an in-memory scalar reference, which bypasses the affected string path."}],"x_generator":{"engine":"cpansec-cna-tool 0.1"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/06/14/5"},{"url":"https://lists.debian.org/debian-lts-announce/2026/06/msg00026.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-06-19T20:31:36.704Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":8.6,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-06-15T18:52:43.717589Z","id":"CVE-2026-11527","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-15T19:25:43.977Z"}}]}}}