CVE-2026-49260

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-49260", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-28T14:33:01.179Z", "datePublished": "2026-06-19T16:59:01.208Z", "dateUpdated": "2026-06-22T19:45:22.647Z"}, "containers": {"cna": {"title": "PhpWeasyPrint: shell command injection via configurable WeasyPrint binary path due to inverted is_executable() guard (mirror of KnpLabs/snappy GHSA-vpr4-p6fq-85jc)", "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "lang": "en", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/pontedilana/php-weasyprint/security/advisories/GHSA-f5gc-qxf8-mh9g", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/pontedilana/php-weasyprint/security/advisories/GHSA-f5gc-qxf8-mh9g"}, {"name": "https://github.com/KnpLabs/snappy/security/advisories/GHSA-vpr4-p6fq-85jc", "tags": ["x_refsource_MISC"], "url": "https://github.com/KnpLabs/snappy/security/advisories/GHSA-vpr4-p6fq-85jc"}, {"name": "https://github.com/pontedilana/php-weasyprint/commit/9e86a2b317237fc5728f712f5037164530117f7e", "tags": ["x_refsource_MISC"], "url": "https://github.com/pontedilana/php-weasyprint/commit/9e86a2b317237fc5728f712f5037164530117f7e"}, {"name": "https://github.com/pontedilana/php-weasyprint/releases/tag/2.5.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/pontedilana/php-weasyprint/releases/tag/2.5.1"}], "affected": [{"vendor": "pontedilana", "product": "php-weasyprint", "versions": [{"version": "< 2.5.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-19T16:59:01.208Z"}, "descriptions": [{"lang": "en", "value": "PhpWeasyPrint is a PHP library allowing PDF generation from a URL or an HTML page. Prior to version 2.5.1, `pontedilana/php-weasyprint` builds the shell command for WeasyPrint by passing the binary path through `escapeshellarg()` first and then checking the *quoted* result with `is_executable()`. On POSIX `escapeshellarg('/usr/local/bin/weasyprint')` returns `'/usr/local/bin/weasyprint'` with the single-quote characters as part of the string, so `is_executable()` looks for a file whose actual name includes those quotes. That file never exists, the \"safe\" branch is dead code, and the raw `$binary` string (set via the constructor or `setBinary()`) flows directly into `Symfony\\Component\\Process\\Process::fromShellCommandline()`. Any deployment whose binary path is sourced from configuration, an environment variable, or a per-tenant setting reaches a shell-command-injection sink. The library is documented as a one-to-one substitute for KnpLabs/snappy and inherited the exact pre-fix codepath KnpLabs patched in GHSA-vpr4-p6fq-85jc. PhpWeasyPrint version 2.5.1 contains a patch for the issue."}], "source": {"advisory": "GHSA-f5gc-qxf8-mh9g", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/KnpLabs/snappy/security/advisories/GHSA-vpr4-p6fq-85jc", "tags": ["exploit"]}, {"url": "https://github.com/pontedilana/php-weasyprint/security/advisories/GHSA-f5gc-qxf8-mh9g", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-22T19:45:10.727602Z", "id": "CVE-2026-49260", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"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": "2026-06-22T19:45:22.647Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-49260", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-06-22T19:45:10.727602Z"}}}], "references": [{"url": "https://github.com/KnpLabs/snappy/security/advisories/GHSA-vpr4-p6fq-85jc", "tags": ["exploit"]}, {"url": "https://github.com/pontedilana/php-weasyprint/security/advisories/GHSA-f5gc-qxf8-mh9g", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-22T19:44:50.998Z"}}], "cna": {"title": "PhpWeasyPrint: shell command injection via configurable WeasyPrint binary path due to inverted is_executable() guard (mirror of KnpLabs/snappy GHSA-vpr4-p6fq-85jc)", "source": {"advisory": "GHSA-f5gc-qxf8-mh9g", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "pontedilana", "product": "php-weasyprint", "versions": [{"status": "affected", "version": "< 2.5.1"}]}], "references": [{"url": "https://github.com/pontedilana/php-weasyprint/security/advisories/GHSA-f5gc-qxf8-mh9g", "name": "https://github.com/pontedilana/php-weasyprint/security/advisories/GHSA-f5gc-qxf8-mh9g", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/KnpLabs/snappy/security/advisories/GHSA-vpr4-p6fq-85jc", "name": "https://github.com/KnpLabs/snappy/security/advisories/GHSA-vpr4-p6fq-85jc", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/pontedilana/php-weasyprint/commit/9e86a2b317237fc5728f712f5037164530117f7e", "name": "https://github.com/pontedilana/php-weasyprint/commit/9e86a2b317237fc5728f712f5037164530117f7e", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/pontedilana/php-weasyprint/releases/tag/2.5.1", "name": "https://github.com/pontedilana/php-weasyprint/releases/tag/2.5.1", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "PhpWeasyPrint is a PHP library allowing PDF generation from a URL or an HTML page. Prior to version 2.5.1, `pontedilana/php-weasyprint` builds the shell command for WeasyPrint by passing the binary path through `escapeshellarg()` first and then checking the *quoted* result with `is_executable()`. On POSIX `escapeshellarg('/usr/local/bin/weasyprint')` returns `'/usr/local/bin/weasyprint'` with the single-quote characters as part of the string, so `is_executable()` looks for a file whose actual name includes those quotes. That file never exists, the \"safe\" branch is dead code, and the raw `$binary` string (set via the constructor or `setBinary()`) flows directly into `Symfony\\Component\\Process\\Process::fromShellCommandline()`. Any deployment whose binary path is sourced from configuration, an environment variable, or a per-tenant setting reaches a shell-command-injection sink. The library is documented as a one-to-one substitute for KnpLabs/snappy and inherited the exact pre-fix codepath KnpLabs patched in GHSA-vpr4-p6fq-85jc. PhpWeasyPrint version 2.5.1 contains a patch for the issue."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-78", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-19T16:59:01.208Z"}}}, "cveMetadata": {"cveId": "CVE-2026-49260", "state": "PUBLISHED", "dateUpdated": "2026-06-22T19:45:22.647Z", "dateReserved": "2026-05-28T14:33:01.179Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-06-19T16:59:01.208Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "php-weasyprint", "vendor": "pontedilana", "versions": [{"status": "affected", "version": "< 2.5.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "PhpWeasyPrint is a PHP library allowing PDF generation from a URL or an HTML page. Prior to version 2.5.1, `pontedilana/php-weasyprint` builds the shell command for WeasyPrint by passing the binary path through `escapeshellarg()` first and then checking the *quoted* result with `is_executable()`. On POSIX `escapeshellarg('/usr/local/bin/weasyprint')` returns `'/usr/local/bin/weasyprint'` with the single-quote characters as part of the string, so `is_executable()` looks for a file whose actual name includes those quotes. That file never exists, the \"safe\" branch is dead code, and the raw `$binary` string (set via the constructor or `setBinary()`) flows directly into `Symfony\\Component\\Process\\Process::fromShellCommandline()`. Any deployment whose binary path is sourced from configuration, an environment variable, or a per-tenant setting reaches a shell-command-injection sink. The library is documented as a one-to-one substitute for KnpLabs/snappy and inherited the exact pre-fix codepath KnpLabs patched in GHSA-vpr4-p6fq-85jc. PhpWeasyPrint version 2.5.1 contains a patch for the issue."}, {"lang": "es", "value": "PhpWeasyPrint es una biblioteca PHP que permite la generaci\u00f3n de PDF a partir de una URL o una p\u00e1gina HTML. Antes de la versi\u00f3n 2.5.1, \u201cpontedilana/php-weasyprint\u201d construye el comando de shell para WeasyPrint pasando primero la ruta del binario a trav\u00e9s de \u201cescapeshellarg()\u201d y luego verificando el resultado entrecomillado con \u201cis_executable()\u201d. En POSIX, \u201cescapeshellarg(\u2019/usr/local/bin/weasyprint\u2019)\u201d devuelve \u201c\u2019/usr/local/bin/weasyprint\u2019\u201d con los caracteres de comilla simple como parte de la cadena, por lo que \u201cis_executable()\u201d busca un archivo cuyo nombre real incluye esas comillas. Ese archivo nunca existe, la rama \u2019segura\u2019 es c\u00f3digo muerto, y la cadena \u201c$binary\u201d sin procesar (establecida a trav\u00e9s del constructor o \u201csetBinary()\u201d) fluye directamente hacia \u201cSymfony\\Component\\Process\\Process::fromShellCommandline()\u201d. Cualquier despliegue cuya ruta binaria se obtenga de la configuraci\u00f3n, una variable de entorno o una configuraci\u00f3n por inquilino, alcanza un sumidero de inyecci\u00f3n de comandos de shell. La biblioteca est\u00e1 documentada como un sustituto uno a uno de KnpLabs/snappy y hered\u00f3 la ruta de c\u00f3digo pre-parche exacta que KnpLabs parche\u00f3 en GHSA-vpr4-p6fq-85jc. PhpWeasyPrint versi\u00f3n 2.5.1 contiene un parche para el problema."}], "id": "CVE-2026-49260", "lastModified": "2026-10-25T23:10:00.167", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-49260", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-22T19:45:10.727602Z", "version": "2.0.3"}}]}, "published": "2026-06-19T17:16:29.477", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/KnpLabs/snappy/security/advisories/GHSA-vpr4-p6fq-85jc"}, {"source": "security-advisories@github.com", "url": "https://github.com/pontedilana/php-weasyprint/commit/9e86a2b317237fc5728f712f5037164530117f7e"}, {"source": "security-advisories@github.com", "url": "https://github.com/pontedilana/php-weasyprint/releases/tag/2.5.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/pontedilana/php-weasyprint/security/advisories/GHSA-f5gc-qxf8-mh9g"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/KnpLabs/snappy/security/advisories/GHSA-vpr4-p6fq-85jc"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/pontedilana/php-weasyprint/security/advisories/GHSA-f5gc-qxf8-mh9g"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.5.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "php-weasyprint", "source": "cna", "vendor": "pontedilana"}, "product": "php-weasyprint", "vendor": "pontedilana"}], "created": "2026-06-19T20:00:11.994271+00:00", "updated": "2026-06-20T22:35:05.553512+00:00", "vendors": ["pontedilana", "pontedilana$PRODUCT$php-weasyprint"]}