WID-SEC-W-2026-2466
Vulnerability from csaf_certbund - Published: 2026-07-21 22:00 - Updated: 2026-09-29 22:00Summary
IBM WebSphere Application Server Liberty: Mehrere Schwachstellen ermöglichen Denial of Service
Severity
Mittel
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: IBM WebSphere Application Server Liberty ist ein leichter, dynamischer Anwendungsserver zur Entwicklung und Bereitstellung von Java-Anwendungen und Microservices.
Angriff: Ein Angreifer kann mehrere Schwachstellen in IBM WebSphere Application Server Liberty ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - Linux
- UNIX
Affected products
Known affected
9 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
IBM TXSeries for Multiplatforms
IBM / TXSeries
|
cpe:/a:ibm:txseries:for_multiplatforms
|
for Multiplatforms | |
|
IBM i 7.3.0
IBM / i
|
cpe:/o:ibm:i:7.3.0
|
7.3.0 | |
|
HCL BigFix Compliance
HCL / BigFix
|
cpe:/a:hcltech:bigfix:compliance
|
Compliance | |
|
IBM WebSphere Application Server Liberty <26.0.0.8
IBM / WebSphere Application Server Liberty
|
<26.0.0.8 | ||
|
IBM i 7.5.0
IBM / i
|
cpe:/o:ibm:i:7.5.0
|
7.5.0 | |
|
IBM WebSphere Application Server Liberty <26.0.0.7 PH71839
IBM / WebSphere Application Server Liberty
|
<26.0.0.7 PH71839 | ||
|
IBM WebSphere Application Server Liberty <26.0.0.7 PH72167
IBM / WebSphere Application Server Liberty
|
<26.0.0.7 PH72167 | ||
|
IBM i 7.4.0
IBM / i
|
cpe:/o:ibm:i:7.4.0
|
7.4.0 | |
|
IBM i 7.6.0
IBM / i
|
cpe:/o:ibm:i:7.6.0
|
7.6.0 |
Affected products
Known affected
9 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
IBM TXSeries for Multiplatforms
IBM / TXSeries
|
cpe:/a:ibm:txseries:for_multiplatforms
|
for Multiplatforms | |
|
IBM i 7.3.0
IBM / i
|
cpe:/o:ibm:i:7.3.0
|
7.3.0 | |
|
HCL BigFix Compliance
HCL / BigFix
|
cpe:/a:hcltech:bigfix:compliance
|
Compliance | |
|
IBM WebSphere Application Server Liberty <26.0.0.8
IBM / WebSphere Application Server Liberty
|
<26.0.0.8 | ||
|
IBM WebSphere Application Server Liberty <26.0.0.7 PH71839
IBM / WebSphere Application Server Liberty
|
<26.0.0.7 PH71839 | ||
|
IBM i 7.5.0
IBM / i
|
cpe:/o:ibm:i:7.5.0
|
7.5.0 | |
|
IBM i 7.4.0
IBM / i
|
cpe:/o:ibm:i:7.4.0
|
7.4.0 | |
|
IBM WebSphere Application Server Liberty <26.0.0.7 PH72167
IBM / WebSphere Application Server Liberty
|
<26.0.0.7 PH72167 | ||
|
IBM i 7.6.0
IBM / i
|
cpe:/o:ibm:i:7.6.0
|
7.6.0 |
References
7 references
{
"document": {
"aggregate_severity": {
"text": "mittel"
},
"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": "IBM WebSphere Application Server Liberty ist ein leichter, dynamischer Anwendungsserver zur Entwicklung und Bereitstellung von Java-Anwendungen und Microservices.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein Angreifer kann mehrere Schwachstellen in IBM WebSphere Application Server Liberty ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux\n- UNIX",
"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-2026-2466 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2466.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-2466 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2466"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7280126 vom 2026-07-21",
"url": "https://www.ibm.com/support/pages/node/7280126"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7280695 vom 2026-07-21",
"url": "https://www.ibm.com/support/pages/node/7280695"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7284593 vom 2026-08-21",
"url": "https://www.ibm.com/support/pages/node/7284593"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7284969 vom 2026-08-25",
"url": "https://www.ibm.com/support/pages/node/7284969"
},
{
"category": "external",
"summary": "HCL Security Bulletin vom 2026-09-30",
"url": "https://support.hcl-software.com/community?id=community_blog\u0026sys_id=674e80c747ab4b109b17e55a516d4365"
}
],
"source_lang": "en-US",
"title": "IBM WebSphere Application Server Liberty: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
"tracking": {
"current_release_date": "2026-09-29T22:00:00.000+00:00",
"generator": {
"date": "2026-09-30T10:09:16.506+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-2466",
"initial_release_date": "2026-07-21T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-07-21T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-07-28T22:00:00.000+00:00",
"number": "2",
"summary": "Referenz(en) aufgenommen: EUVD-2026-50025"
},
{
"date": "2026-07-30T22:00:00.000+00:00",
"number": "3",
"summary": "Referenz(en) aufgenommen: EUVD-2026-51147"
},
{
"date": "2026-08-23T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von IBM aufgenommen"
},
{
"date": "2026-08-25T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von IBM aufgenommen"
},
{
"date": "2026-09-29T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates aufgenommen"
}
],
"status": "final",
"version": "6"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "Compliance",
"product": {
"name": "HCL BigFix Compliance",
"product_id": "T038832",
"product_identification_helper": {
"cpe": "cpe:/a:hcltech:bigfix:compliance"
}
}
}
],
"category": "product_name",
"name": "BigFix"
}
],
"category": "vendor",
"name": "HCL"
},
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "for Multiplatforms",
"product": {
"name": "IBM TXSeries for Multiplatforms",
"product_id": "T036617",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:txseries:for_multiplatforms"
}
}
}
],
"category": "product_name",
"name": "TXSeries"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c26.0.0.8",
"product": {
"name": "IBM WebSphere Application Server Liberty \u003c26.0.0.8",
"product_id": "T057034"
}
},
{
"category": "product_version",
"name": "26.0.0.8",
"product": {
"name": "IBM WebSphere Application Server Liberty 26.0.0.8",
"product_id": "T057034-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:websphere_application_server_liberty:26.0.0.8"
}
}
},
{
"category": "product_version_range",
"name": "\u003c26.0.0.7 PH71839",
"product": {
"name": "IBM WebSphere Application Server Liberty \u003c26.0.0.7 PH71839",
"product_id": "T057035"
}
},
{
"category": "product_version",
"name": "26.0.0.7 PH71839",
"product": {
"name": "IBM WebSphere Application Server Liberty 26.0.0.7 PH71839",
"product_id": "T057035-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:websphere_application_server_liberty:26.0.0.7_ph71839"
}
}
},
{
"category": "product_version_range",
"name": "\u003c26.0.0.7 PH72167",
"product": {
"name": "IBM WebSphere Application Server Liberty \u003c26.0.0.7 PH72167",
"product_id": "T057036"
}
},
{
"category": "product_version",
"name": "26.0.0.7 PH72167",
"product": {
"name": "IBM WebSphere Application Server Liberty 26.0.0.7 PH72167",
"product_id": "T057036-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:websphere_application_server_liberty:26.0.0.7_ph72167"
}
}
}
],
"category": "product_name",
"name": "WebSphere Application Server Liberty"
},
{
"branches": [
{
"category": "product_version",
"name": "7.3.0",
"product": {
"name": "IBM i 7.3.0",
"product_id": "T058486",
"product_identification_helper": {
"cpe": "cpe:/o:ibm:i:7.3.0"
}
}
},
{
"category": "product_version",
"name": "7.4.0",
"product": {
"name": "IBM i 7.4.0",
"product_id": "T058487",
"product_identification_helper": {
"cpe": "cpe:/o:ibm:i:7.4.0"
}
}
},
{
"category": "product_version",
"name": "7.5.0",
"product": {
"name": "IBM i 7.5.0",
"product_id": "T058488",
"product_identification_helper": {
"cpe": "cpe:/o:ibm:i:7.5.0"
}
}
},
{
"category": "product_version",
"name": "7.6.0",
"product": {
"name": "IBM i 7.6.0",
"product_id": "T058489",
"product_identification_helper": {
"cpe": "cpe:/o:ibm:i:7.6.0"
}
}
}
],
"category": "product_name",
"name": "i"
}
],
"category": "vendor",
"name": "IBM"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-11897",
"product_status": {
"known_affected": [
"T036617",
"T058486",
"T038832",
"T057034",
"T058488",
"T057035",
"T057036",
"T058487",
"T058489"
]
},
"release_date": "2026-07-21T22:00:00.000+00:00",
"title": "CVE-2026-11897"
},
{
"cve": "CVE-2026-15057",
"product_status": {
"known_affected": [
"T036617",
"T058486",
"T038832",
"T057034",
"T057035",
"T058488",
"T058487",
"T057036",
"T058489"
]
},
"release_date": "2026-07-21T22:00:00.000+00:00",
"title": "CVE-2026-15057"
}
]
}
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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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