UBUNTU-CVE-2026-91187 (CVE-2026-91187)
Vulnerability from osv_ubuntu – Published: 2026-09-24 00:00 – Updated: 2026-09-25 15:23 – Source website
VLAI
Details
(Improper Verification of Cryptographic Signature vulnerability in dash ...)
Severity
N/A (UNKNOWN)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ash",
"binary_version": "0.5.7-4ubuntu1"
},
{
"binary_name": "dash",
"binary_version": "0.5.7-4ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "dash",
"purl": "pkg:deb/ubuntu/dash@0.5.7-4ubuntu1?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.5.7-3ubuntu1",
"0.5.7-4ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ash",
"binary_version": "0.5.8-2.1ubuntu2"
},
{
"binary_name": "dash",
"binary_version": "0.5.8-2.1ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "dash",
"purl": "pkg:deb/ubuntu/dash@0.5.8-2.1ubuntu2?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.5.7-4ubuntu2",
"0.5.8-2.1ubuntu2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ash",
"binary_version": "0.5.8-2.10"
},
{
"binary_name": "dash",
"binary_version": "0.5.8-2.10"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "dash",
"purl": "pkg:deb/ubuntu/dash@0.5.8-2.10?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.5.8-2.3ubuntu1",
"0.5.8-2.5ubuntu1",
"0.5.8-2.9ubuntu1",
"0.5.8-2.10"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ash",
"binary_version": "0.5.10.2-6"
},
{
"binary_name": "dash",
"binary_version": "0.5.10.2-6"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "dash",
"purl": "pkg:deb/ubuntu/dash@0.5.10.2-6?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.5.10.2-6"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ash",
"binary_version": "0.5.11+git20210903+057cd650a4ed-3build1"
},
{
"binary_name": "dash",
"binary_version": "0.5.11+git20210903+057cd650a4ed-3build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "dash",
"purl": "pkg:deb/ubuntu/dash@0.5.11+git20210903+057cd650a4ed-3build1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.5.11+git20210120+802ebd4-1build1",
"0.5.11+git20210903+057cd650a4ed-3",
"0.5.11+git20210903+057cd650a4ed-3build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ash",
"binary_version": "0.5.12-6ubuntu5"
},
{
"binary_name": "dash",
"binary_version": "0.5.12-6ubuntu5"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "dash",
"purl": "pkg:deb/ubuntu/dash@0.5.12-6ubuntu5?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.5.12-6ubuntu1",
"0.5.12-6ubuntu3",
"0.5.12-6ubuntu4",
"0.5.12-6ubuntu5"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dash",
"binary_version": "0.5.12-12ubuntu3"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "dash",
"purl": "pkg:deb/ubuntu/dash@0.5.12-12ubuntu3?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.5.12-12ubuntu2",
"0.5.12-12ubuntu3"
]
}
],
"aliases": [],
"details": "(Improper Verification of Cryptographic Signature vulnerability in dash ...)",
"id": "UBUNTU-CVE-2026-91187",
"modified": "2026-09-25T15:23:58Z",
"published": "2026-09-24T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-91187"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-91187"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N",
"type": "CVSS_V4"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-91187"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- 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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