{"api_version":"1","generated_at":"2026-08-14T10:17:17+00:00","cve":"CVE-2026-17431","urls":{"html":"https://cve.report/CVE-2026-17431","api":"https://cve.report/api/cve/CVE-2026-17431.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-17431","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-17431"},"summary":{"title":"PDF::WebKit versions through 1.2 for Perl allow OS command injection via a 2-arg open() of the output path in to_pdf and of stylesheet paths in _style_tag_for","description":"PDF::WebKit versions through 1.2 for Perl allow OS command injection via a 2-arg open() of the output path in to_pdf and of stylesheet paths in _style_tag_for.\n\nto_pdf reads the generated PDF back from its path argument, and _style_tag_for reads each entry of the stylesheets list, by assigning the path to a local @ARGV and reading it with the diamond operator, which opens each @ARGV element with Perl's 2-arg open(). A value that begins or ends with a pipe (\"| cmd\", \"cmd |\") is run as a command rather than opened as a file, and one that begins with a redirect (\"> path\", \">> path\") opens that path for write or append. to_file forwards its path argument to to_pdf and reaches the same read.\n\nAny caller that forwards untrusted input as the output path or as a stylesheets entry can run a command under the process UID; with the \"cmd |\" form the command's output is returned in place of the PDF, and with the \"> path\" form the named file is truncated. Stylesheets may only be added to an HTML source, so a URL or file source exposes the output path alone.","state":"PUBLISHED","assigner":"CPANSec","published_at":"2026-08-13 00:17:31","updated_at":"2026-08-13 13:17:47"},"problem_types":["CWE-73","CWE-78","CWE-78 CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","CWE-73 CWE-73 External Control of File Name or Path"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"6.1","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N","data":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N","version":"3.1"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"6.1","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"NONE"}}],"references":[{"url":"https://wkhtmltopdf.org/status.html","name":"https://wkhtmltopdf.org/status.html","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/kingpong/perl-PDF-WebKit/issues/8","name":"https://github.com/kingpong/perl-PDF-WebKit/issues/8","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://security.metacpan.org/patches/P/PDF-WebKit/1.2/CVE-2026-17431-r1.patch","name":"https://security.metacpan.org/patches/P/PDF-WebKit/1.2/CVE-2026-17431-r1.patch","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"http://www.openwall.com/lists/oss-security/2026/08/13/3","name":"http://www.openwall.com/lists/oss-security/2026/08/13/3","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-17431","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17431","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"MITHALDU","product":"PDF::WebKit","version":"affected 1.2 custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[{"source":"CNA","title":"","value":"No fixed release is available. Apply the patch, which reads both paths with a 3-arg open so the value is never interpreted as a command or redirect.\n\nOtherwise, do not pass untrusted input as the output path to to_pdf or to_file, or as an entry in the stylesheets list.\n\nNote that the wkhtmltopdf project is no longer being developed, and users of this package should migrate to alternative solutions.","time":"","lang":"en"}],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"17431","cve":"CVE-2026-17431","epss":"0.006760000","percentile":"0.490360000","score_date":"2026-08-13","updated_at":"2026-08-14 00:07:36"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2026-08-13T02:53:50.907Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"http://www.openwall.com/lists/oss-security/2026/08/13/3"}],"title":"CVE Program Container"},{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N","version":"3.1"}},{"other":{"content":{"id":"CVE-2026-17431","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-08-13T13:09:23.223596Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-08-13T13:09:27.451Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","packageName":"PDF-WebKit","product":"PDF::WebKit","programFiles":["lib/PDF/WebKit.pm"],"programRoutines":[{"name":"PDF::WebKit::to_pdf"},{"name":"PDF::WebKit::to_file"},{"name":"PDF::WebKit::_style_tag_for"}],"repo":"https://github.com/kingpong/perl-PDF-WebKit","vendor":"MITHALDU","versions":[{"lessThanOrEqual":"1.2","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"PDF::WebKit versions through 1.2 for Perl allow OS command injection via a 2-arg open() of the output path in to_pdf and of stylesheet paths in _style_tag_for.\n\nto_pdf reads the generated PDF back from its path argument, and _style_tag_for reads each entry of the stylesheets list, by assigning the path to a local @ARGV and reading it with the diamond operator, which opens each @ARGV element with Perl's 2-arg open(). A value that begins or ends with a pipe (\"| cmd\", \"cmd |\") is run as a command rather than opened as a file, and one that begins with a redirect (\"> path\", \">> path\") opens that path for write or append. to_file forwards its path argument to to_pdf and reaches the same read.\n\nAny caller that forwards untrusted input as the output path or as a stylesheets entry can run a command under the process UID; with the \"cmd |\" form the command's output is returned in place of the PDF, and with the \"> path\" form the named file is truncated. Stylesheets may only be added to an HTML source, so a URL or file source exposes the output path alone."}],"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":{"dateUpdated":"2026-08-12T23:12:57.958Z","orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec"},"references":[{"tags":["issue-tracking"],"url":"https://github.com/kingpong/perl-PDF-WebKit/issues/8"},{"tags":["patch"],"url":"https://security.metacpan.org/patches/P/PDF-WebKit/1.2/CVE-2026-17431-r1.patch"},{"url":"https://wkhtmltopdf.org/status.html"}],"source":{"discovery":"UNKNOWN"},"title":"PDF::WebKit versions through 1.2 for Perl allow OS command injection via a 2-arg open() of the output path in to_pdf and of stylesheet paths in _style_tag_for","workarounds":[{"lang":"en","value":"No fixed release is available. Apply the patch, which reads both paths with a 3-arg open so the value is never interpreted as a command or redirect.\n\nOtherwise, do not pass untrusted input as the output path to to_pdf or to_file, or as an entry in the stylesheets list.\n\nNote that the wkhtmltopdf project is no longer being developed, and users of this package should migrate to alternative solutions."}],"x_generator":{"engine":"cpansec-cna-tool 0.1"}}},"cveMetadata":{"assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","assignerShortName":"CPANSec","cveId":"CVE-2026-17431","datePublished":"2026-08-12T23:12:57.958Z","dateReserved":"2026-07-25T08:39:34.495Z","dateUpdated":"2026-08-13T13:09:27.451Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-13 00:17:31","lastModifiedDate":"2026-08-13 13:17:47","problem_types":["CWE-73","CWE-78","CWE-78 CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","CWE-73 CWE-73 External Control of File Name or Path"],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":1.8,"impactScore":4.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-13T13:09:23.223596Z","id":"CVE-2026-17431","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"17431","Ordinal":"1","Title":"PDF::WebKit versions through 1.2 for Perl allow OS command injec","CVE":"CVE-2026-17431","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"17431","Ordinal":"1","NoteData":"PDF::WebKit versions through 1.2 for Perl allow OS command injection via a 2-arg open() of the output path in to_pdf and of stylesheet paths in _style_tag_for.\n\nto_pdf reads the generated PDF back from its path argument, and _style_tag_for reads each entry of the stylesheets list, by assigning the path to a local @ARGV and reading it with the diamond operator, which opens each @ARGV element with Perl's 2-arg open(). A value that begins or ends with a pipe (\"| cmd\", \"cmd |\") is run as a command rather than opened as a file, and one that begins with a redirect (\"> path\", \">> path\") opens that path for write or append. to_file forwards its path argument to to_pdf and reaches the same read.\n\nAny caller that forwards untrusted input as the output path or as a stylesheets entry can run a command under the process UID; with the \"cmd |\" form the command's output is returned in place of the PDF, and with the \"> path\" form the named file is truncated. Stylesheets may only be added to an HTML source, so a URL or file source exposes the output path alone.","Type":"Description","Title":"PDF::WebKit versions through 1.2 for Perl allow OS command injec"}]}}}