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vuln-cve/data/2026/49xxx/CVE-2026-49836.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-49836",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-06-01T18:50:36.056Z",
"datePublished": "2026-09-10T21:47:57.822Z",
"dateUpdated": "2026-09-11T17:13:46.714Z"
},
"containers": {
"cna": {
"title": "psd-tools: arbitrary file write via smart-object filename",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-22",
"lang": "en",
"description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-73",
"lang": "en",
"description": "CWE-73: External Control of File Name or Path",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "ACTIVE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 4.6,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
"version": "4.0"
}
}
],
"references": [
{
"name": "https://github.com/psd-tools/psd-tools/security/advisories/GHSA-2rmg-vrx8-9j2f",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/psd-tools/psd-tools/security/advisories/GHSA-2rmg-vrx8-9j2f"
},
{
"name": "https://github.com/psd-tools/psd-tools/pull/657",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/psd-tools/psd-tools/pull/657"
},
{
"name": "https://github.com/pypa/advisory-database/tree/main/vulns/psd-tools/PYSEC-2026-2969.yaml",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/psd-tools/PYSEC-2026-2969.yaml"
},
{
"name": "http://github.com/psd-tools/psd-tools/releases/tag/v1.17.1",
"tags": [
"x_refsource_MISC"
],
"url": "http://github.com/psd-tools/psd-tools/releases/tag/v1.17.1"
}
],
"affected": [
{
"vendor": "psd-tools",
"product": "psd-tools",
"versions": [
{
"version": "< 1.17.1",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-09-10T21:47:57.822Z"
},
"descriptions": [
{
"lang": "en",
"value": "psd-tools is a Python package for working with Adobe Photoshop PSD files. Prior to version 1.17.1, `SmartObject.save()` writes an embedded smart object to a path taken verbatim from the PSD file. Because that name is attacker-controlled and unsanitised, a tool that extracts embedded objects from an untrusted `.psd` can be made to write attacker-chosen bytes to an attacker-chosen path (absolute or `../`-traversing), outside its intended output directory. A secondary issue in `SmartObject.open()` for external-kind smart objects allows the attacker-controlled `fullPath` descriptor to be used as an arbitrary file read path, enabling exfiltration of the read content to the controlled write destination. Both issues are fixed in v1.17.1."
}
],
"source": {
"advisory": "GHSA-2rmg-vrx8-9j2f",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/psd-tools/psd-tools/security/advisories/GHSA-2rmg-vrx8-9j2f",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-09-11T17:09:57.762945Z",
"id": "CVE-2026-49836",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-09-11T17:13:46.714Z"
}
}
]
}
}