WID-SEC-W-2026-2747
Vulnerability from csaf_certbund - Published: 2026-08-10 22:00 - Updated: 2026-09-29 22:00Summary
OpenSSH: Mehrere Schwachstellen
Severity
Hoch
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: OpenSSH ist eine Open Source Implementierung des Secure Shell Protokolls.
Angriff: Ein Angreifer kann mehrere Schwachstellen in OpenSSH ausnutzen, um Sicherheitsvorkehrungen zu umgehen, einen Denial of Service und potentiell Codeausführung zu erreichen.
Betroffene Betriebssysteme: - Linux
- UNIX
- Windows
Affected products
Known affected
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
IBM AIX 7.3
IBM / AIX
|
cpe:/o:ibm:aix:7.3
|
7.3 | |
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
RESF Rocky Linux
RESF
|
cpe:/o:resf:rocky_linux:-
|
— | |
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
IBM AIX 7.2
IBM / AIX
|
cpe:/o:ibm:aix:7.2
|
7.2 | |
|
Ubuntu Linux
Ubuntu
|
cpe:/o:canonical:ubuntu_linux:-
|
— | |
|
IBM VIOS 4.1
IBM / VIOS
|
cpe:/a:ibm:vios:4.1
|
4.1 | |
|
Open Source OpenSSH <10.5
Open Source / OpenSSH
|
<10.5 |
Affected products
Known affected
8 products, the same list as for
CVE-2026-73281
Affected products
Known affected
8 products, the same list as for
CVE-2026-73281
References
15 references
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "OpenSSH ist eine Open Source Implementierung des Secure Shell Protokolls.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein Angreifer kann mehrere Schwachstellen in OpenSSH ausnutzen, um Sicherheitsvorkehrungen zu umgehen, einen Denial of Service und potentiell Codeausf\u00fchrung zu erreichen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux\n- UNIX\n- Windows",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2026-2747 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2747.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-2747 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2747"
},
{
"category": "external",
"summary": "OpenSSH Release Notes vom 2026-08-10",
"url": "https://www.openssh.org/txt/release-10.5"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8721-1 vom 2026-09-03",
"url": "https://ubuntu.com/security/notices/USN-8721-1"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7287147 vom 2026-09-11",
"url": "https://www.ibm.com/support/pages/node/7287147"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:69130 vom 2026-09-21",
"url": "https://access.redhat.com/errata/RHSA-2026:69130"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:69266 vom 2026-09-21",
"url": "https://access.redhat.com/errata/RHSA-2026:69266"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:69266 vom 2026-09-22",
"url": "https://errata.build.resf.org/RLSA-2026:69266"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:69129 vom 2026-09-22",
"url": "https://errata.build.resf.org/RLSA-2026:69129"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-69130 vom 2026-09-22",
"url": "https://linux.oracle.com/errata/ELSA-2026-69130.html"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:69130 vom 2026-09-22",
"url": "https://errata.build.resf.org/RLSA-2026:69130"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8804-1 vom 2026-09-22",
"url": "https://ubuntu.com/security/notices/USN-8804-1"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:70719 vom 2026-09-23",
"url": "https://access.redhat.com/errata/RHSA-2026:70719"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-69266 vom 2026-09-23",
"url": "https://linux.oracle.com/errata/ELSA-2026-69266.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-69129 vom 2026-09-30",
"url": "https://linux.oracle.com/errata/ELSA-2026-69129.html"
}
],
"source_lang": "en-US",
"title": "OpenSSH: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2026-09-29T22:00:00.000+00:00",
"generator": {
"date": "2026-09-30T10:09:32.978+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-2747",
"initial_release_date": "2026-08-10T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-08-10T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-08-11T22:00:00.000+00:00",
"number": "2",
"summary": "CVE\u0027s erg\u00e4nzt"
},
{
"date": "2026-09-03T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2026-09-13T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von IBM aufgenommen"
},
{
"date": "2026-09-21T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Red Hat und Rocky Enterprise Software Foundation aufgenommen"
},
{
"date": "2026-09-22T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Rocky Enterprise Software Foundation, Oracle Linux und Ubuntu aufgenommen"
},
{
"date": "2026-09-23T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von Red Hat und Oracle Linux aufgenommen"
},
{
"date": "2026-09-29T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Oracle Linux aufgenommen"
}
],
"status": "final",
"version": "8"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "7.3",
"product": {
"name": "IBM AIX 7.3",
"product_id": "1139691",
"product_identification_helper": {
"cpe": "cpe:/o:ibm:aix:7.3"
}
}
},
{
"category": "product_version",
"name": "7.2",
"product": {
"name": "IBM AIX 7.2",
"product_id": "434967",
"product_identification_helper": {
"cpe": "cpe:/o:ibm:aix:7.2"
}
}
}
],
"category": "product_name",
"name": "AIX"
},
{
"branches": [
{
"category": "product_version",
"name": "4.1",
"product": {
"name": "IBM VIOS 4.1",
"product_id": "1522854",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:vios:4.1"
}
}
}
],
"category": "product_name",
"name": "VIOS"
}
],
"category": "vendor",
"name": "IBM"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.5",
"product": {
"name": "Open Source OpenSSH \u003c10.5",
"product_id": "T057818"
}
},
{
"category": "product_version",
"name": "10.5",
"product": {
"name": "Open Source OpenSSH 10.5",
"product_id": "T057818-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:openbsd:openssh:10.5"
}
}
}
],
"category": "product_name",
"name": "OpenSSH"
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "Oracle Linux",
"product": {
"name": "Oracle Linux",
"product_id": "T056236",
"product_identification_helper": {
"cpe": "cpe:/o:oracle:linux:-"
}
}
}
],
"category": "vendor",
"name": "Oracle"
},
{
"branches": [
{
"category": "product_name",
"name": "RESF Rocky Linux",
"product": {
"name": "RESF Rocky Linux",
"product_id": "T054581",
"product_identification_helper": {
"cpe": "cpe:/o:resf:rocky_linux:-"
}
}
}
],
"category": "vendor",
"name": "RESF"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Enterprise Linux",
"product": {
"name": "Red Hat Enterprise Linux",
"product_id": "67646",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:-"
}
}
}
],
"category": "vendor",
"name": "Red Hat"
},
{
"branches": [
{
"category": "product_name",
"name": "Ubuntu Linux",
"product": {
"name": "Ubuntu Linux",
"product_id": "T055947",
"product_identification_helper": {
"cpe": "cpe:/o:canonical:ubuntu_linux:-"
}
}
}
],
"category": "vendor",
"name": "Ubuntu"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-73281",
"product_status": {
"known_affected": [
"1139691",
"T056236",
"T054581",
"67646",
"434967",
"T055947",
"1522854",
"T057818"
]
},
"release_date": "2026-08-10T22:00:00.000+00:00",
"title": "CVE-2026-73281"
},
{
"cve": "CVE-2026-73282",
"product_status": {
"known_affected": [
"1139691",
"T056236",
"T054581",
"67646",
"434967",
"T055947",
"1522854",
"T057818"
]
},
"release_date": "2026-08-10T22:00:00.000+00:00",
"title": "CVE-2026-73282"
},
{
"cve": "CVE-2026-73283",
"product_status": {
"known_affected": [
"1139691",
"T056236",
"T054581",
"67646",
"434967",
"T055947",
"1522854",
"T057818"
]
},
"release_date": "2026-08-10T22:00:00.000+00:00",
"title": "CVE-2026-73283"
}
]
}
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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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