UBUNTU-CVE-2026-96745 (CVE-2026-96745)
Vulnerability from osv_ubuntu – Published: 2026-09-24 16:17 – Updated: 2026-09-30 21:39 – Source website
VLAI
Details
Deserialization of untrusted data in the command monitoring support of the MongoDB PHP Driver can cause class names embedded in document content to be honored when the driver builds monitoring event objects. When an application registers a command monitoring subscriber and includes untrusted data in a database operation, an unauthenticated party who controls that data may cause an application class implementing the driver's persistable interface to be instantiated and its unserialization method invoked with the supplied data. The resulting impact depends on the classes available in the application.
Severity
5.6 (Medium)
N/A (UNKNOWN)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "python-bson",
"binary_version": "2.6.3-1build1"
},
{
"binary_name": "python-bson-ext",
"binary_version": "2.6.3-1build1"
},
{
"binary_name": "python-gridfs",
"binary_version": "2.6.3-1build1"
},
{
"binary_name": "python-pymongo",
"binary_version": "2.6.3-1build1"
},
{
"binary_name": "python-pymongo-ext",
"binary_version": "2.6.3-1build1"
},
{
"binary_name": "python3-bson",
"binary_version": "2.6.3-1build1"
},
{
"binary_name": "python3-bson-ext",
"binary_version": "2.6.3-1build1"
},
{
"binary_name": "python3-gridfs",
"binary_version": "2.6.3-1build1"
},
{
"binary_name": "python3-pymongo",
"binary_version": "2.6.3-1build1"
},
{
"binary_name": "python3-pymongo-ext",
"binary_version": "2.6.3-1build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "pymongo",
"purl": "pkg:deb/ubuntu/pymongo@2.6.3-1build1?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.6-1",
"2.6.2-1",
"2.6.3-1",
"2.6.3-1build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "python-bson",
"binary_version": "3.2-1ubuntu0.1~esm1"
},
{
"binary_name": "python-bson-ext",
"binary_version": "3.2-1ubuntu0.1~esm1"
},
{
"binary_name": "python-gridfs",
"binary_version": "3.2-1ubuntu0.1~esm1"
},
{
"binary_name": "python-pymongo",
"binary_version": "3.2-1ubuntu0.1~esm1"
},
{
"binary_name": "python-pymongo-ext",
"binary_version": "3.2-1ubuntu0.1~esm1"
},
{
"binary_name": "python3-bson",
"binary_version": "3.2-1ubuntu0.1~esm1"
},
{
"binary_name": "python3-bson-ext",
"binary_version": "3.2-1ubuntu0.1~esm1"
},
{
"binary_name": "python3-gridfs",
"binary_version": "3.2-1ubuntu0.1~esm1"
},
{
"binary_name": "python3-pymongo",
"binary_version": "3.2-1ubuntu0.1~esm1"
},
{
"binary_name": "python3-pymongo-ext",
"binary_version": "3.2-1ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "pymongo",
"purl": "pkg:deb/ubuntu/pymongo@3.2-1ubuntu0.1~esm1?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.0.3-1",
"3.2-1",
"3.2-1build1",
"3.2-1ubuntu0.1~esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "python-bson",
"binary_version": "3.6.1+dfsg1-1ubuntu0.1~esm1"
},
{
"binary_name": "python-bson-ext",
"binary_version": "3.6.1+dfsg1-1ubuntu0.1~esm1"
},
{
"binary_name": "python-gridfs",
"binary_version": "3.6.1+dfsg1-1ubuntu0.1~esm1"
},
{
"binary_name": "python-pymongo",
"binary_version": "3.6.1+dfsg1-1ubuntu0.1~esm1"
},
{
"binary_name": "python-pymongo-ext",
"binary_version": "3.6.1+dfsg1-1ubuntu0.1~esm1"
},
{
"binary_name": "python3-bson",
"binary_version": "3.6.1+dfsg1-1ubuntu0.1~esm1"
},
{
"binary_name": "python3-bson-ext",
"binary_version": "3.6.1+dfsg1-1ubuntu0.1~esm1"
},
{
"binary_name": "python3-gridfs",
"binary_version": "3.6.1+dfsg1-1ubuntu0.1~esm1"
},
{
"binary_name": "python3-pymongo",
"binary_version": "3.6.1+dfsg1-1ubuntu0.1~esm1"
},
{
"binary_name": "python3-pymongo-ext",
"binary_version": "3.6.1+dfsg1-1ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "pymongo",
"purl": "pkg:deb/ubuntu/pymongo@3.6.1+dfsg1-1ubuntu0.1~esm1?arch=source\u0026distro=esm-infra/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.4.0-1build2",
"3.6.1+dfsg1-1",
"3.6.1+dfsg1-1ubuntu0.1~esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "python3-bson",
"binary_version": "3.10.1-0ubuntu2.1"
},
{
"binary_name": "python3-bson-ext",
"binary_version": "3.10.1-0ubuntu2.1"
},
{
"binary_name": "python3-gridfs",
"binary_version": "3.10.1-0ubuntu2.1"
},
{
"binary_name": "python3-pymongo",
"binary_version": "3.10.1-0ubuntu2.1"
},
{
"binary_name": "python3-pymongo-ext",
"binary_version": "3.10.1-0ubuntu2.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "pymongo",
"purl": "pkg:deb/ubuntu/pymongo@3.10.1-0ubuntu2.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.7.1-1.1",
"3.7.1-1.1build1",
"3.10.1-0ubuntu2",
"3.10.1-0ubuntu2.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "python3-bson",
"binary_version": "3.11.0-1ubuntu0.22.04.1"
},
{
"binary_name": "python3-bson-ext",
"binary_version": "3.11.0-1ubuntu0.22.04.1"
},
{
"binary_name": "python3-gridfs",
"binary_version": "3.11.0-1ubuntu0.22.04.1"
},
{
"binary_name": "python3-pymongo",
"binary_version": "3.11.0-1ubuntu0.22.04.1"
},
{
"binary_name": "python3-pymongo-ext",
"binary_version": "3.11.0-1ubuntu0.22.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "pymongo",
"purl": "pkg:deb/ubuntu/pymongo@3.11.0-1ubuntu0.22.04.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.11.0-1build2",
"3.11.0-1build3",
"3.11.0-1build4",
"3.11.0-1ubuntu0.22.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "python3-bson",
"binary_version": "3.11.0-1ubuntu0.24.04.1"
},
{
"binary_name": "python3-bson-ext",
"binary_version": "3.11.0-1ubuntu0.24.04.1"
},
{
"binary_name": "python3-gridfs",
"binary_version": "3.11.0-1ubuntu0.24.04.1"
},
{
"binary_name": "python3-pymongo",
"binary_version": "3.11.0-1ubuntu0.24.04.1"
},
{
"binary_name": "python3-pymongo-ext",
"binary_version": "3.11.0-1ubuntu0.24.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "pymongo",
"purl": "pkg:deb/ubuntu/pymongo@3.11.0-1ubuntu0.24.04.1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.11.0-1build6",
"3.11.0-1build7",
"3.11.0-1build8",
"3.11.0-1ubuntu0.24.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "python3-bson",
"binary_version": "4.16.0-1build1"
},
{
"binary_name": "python3-bson-ext",
"binary_version": "4.16.0-1build1"
},
{
"binary_name": "python3-gridfs",
"binary_version": "4.16.0-1build1"
},
{
"binary_name": "python3-pymongo",
"binary_version": "4.16.0-1build1"
},
{
"binary_name": "python3-pymongo-ext",
"binary_version": "4.16.0-1build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "pymongo",
"purl": "pkg:deb/ubuntu/pymongo@4.16.0-1build1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.10.1-6",
"4.15.3-1",
"4.15.3-2",
"4.15.5-1",
"4.16.0-1",
"4.16.0-1build1"
]
}
],
"aliases": [],
"details": "Deserialization of untrusted data in the command monitoring support of the MongoDB PHP Driver can cause class names embedded in document content to be honored when the driver builds monitoring event objects. When an application registers a command monitoring subscriber and includes untrusted data in a database operation, an unauthenticated party who controls that data may cause an application class implementing the driver\u0027s persistable interface to be instantiated and its unserialization method invoked with the supplied data. The resulting impact depends on the classes available in the application.",
"id": "UBUNTU-CVE-2026-96745",
"modified": "2026-09-30T21:39:34Z",
"published": "2026-09-24T16:17:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-96745"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-96745"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-96745"
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
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- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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