High
pdfkit — security advisory
In JazzCore python-pdfkit 1.0.0, the from_string method enables the execution of JavaScript code within the context of the server application and the exfiltration of local files.
- Products
- pdfkit
- Affected versions
- 1.0.0-2, 1.0.0-3, 1.0.0-4, 1.0.0-5
- Fixed versions
- Not specified
- CVEs
- CVE-2025-26240
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 09:03 UTC · Revision 1
Source evidence
In JazzCore python-pdfkit 1.0.0, the from_string method enables the execution of JavaScript code within the context of the server application and the exfiltration of local files.
osv:DEBIAN-CVE-2025-26240
pdfkit
Fixed versions: Not specified
Complete source record
{
"id": "8bc044f261305b24d0d518bbbb3b79e63acb5404e92c2433ba4db889257a7c9e",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2025-26240",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2025-26240",
"summary": "In JazzCore python-pdfkit 1.0.0, the from_string method enables the execution of JavaScript code within the context of the server application and the exfiltration of local files.",
"evidence": "osv:DEBIAN-CVE-2025-26240",
"products": [
{
"name": {
"value": "pdfkit",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.0.0-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.0.0-3",
"evidence": "/affected/0/versions"
},
{
"value": "1.0.0-4",
"evidence": "/affected/0/versions"
},
{
"value": "1.0.0-5",
"evidence": "/affected/0/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2025-26240",
"aliases": [
"DEBIAN-CVE-2025-26240"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "pdfkit",
"purl": "pkg:deb/debian/pdfkit?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1.0.0-2",
"1.0.0-3",
"1.0.0-4",
"1.0.0-5"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-26240.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-13T09:47:42.062406127Z",
"provider": "osv",
"upstream": [
"CVE-2025-26240"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2025-26240"
]
},
"related_cves": [
{
"value": "CVE-2025-26240",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 307589,
"published_at": "2026-06-17T17:16:38.383+00:00"
}