{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-11526", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-06-07T19:26:46.259Z", "datePublished": "2026-06-14T11:39:21.122Z", "dateUpdated": "2026-06-21T13:34:16.065Z" }, "containers": { "cna": { "affected": [ { "collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "GD", "product": "GD", "programFiles": [ "lib/GD/Image.pm", "lib/GD/Image_pm.PL" ], "programRoutines": [ { "name": "GD::Image::_make_filehandle" } ], "repo": "https://github.com/lstein/Perl-GD", "vendor": "RURBAN", "versions": [ { "lessThan": "2.86", "status": "affected", "version": "0", "versionType": "custom" } ] } ], "descriptions": [ { "lang": "en", "value": "GD versions before 2.86 for Perl allow OS command injection and file overwrite via a 2-arg open() of filename arguments in _make_filehandle.\n\nGD::Image::_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. _make_filehandle is the single open path behind every filename-accepting constructor (new, newFromPng, newFromJpeg, and the rest); the in-memory *Data variants do not open a path and are unaffected.\n\nAny caller that forwards untrusted input to one of these constructors as a pathname can run an arbitrary command or truncate a file under the process UID." } ], "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": "2026-06-14T11:39:21.122Z" }, "references": [ { "tags": [ "patch" ], "url": "https://github.com/lstein/Perl-GD/commit/67b163713c6c78dfeb693da0978ae934e5cd8210.patch" }, { "tags": [ "release-notes" ], "url": "https://metacpan.org/release/RURBAN/GD-2.86/changes" } ], "solutions": [ { "lang": "en", "value": "Upgrade to GD 2.86 or later, which opens filename arguments with a 3-arg read open so the filename is never interpreted as a command or redirect." } ], "source": { "discovery": "UNKNOWN" }, "title": "GD versions before 2.86 for Perl allow OS command injection and file overwrite via a 2-arg open() of filename arguments in _make_filehandle", "workarounds": [ { "lang": "en", "value": "For deployments that cannot upgrade to 2.86, do not pass untrusted input as a pathname to GD::Image constructors. Callers can open the file themselves and pass the resulting filehandle, 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/2026/06/14/4" }, { "url": "https://lists.debian.org/debian-lts-announce/2026/06/msg00027.html" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-06-21T13:34:16.065Z" } }, { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-06-15T16:17:04.865826Z", "id": "CVE-2026-11526", "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": "2026-06-15T16:17:32.599Z" } } ] } }