WID-SEC-W-2026-2292
Vulnerability from csaf_certbund - Published: 2026-07-12 22:00 - Updated: 2026-09-02 22:00Summary
Apache log4j und Log4cxx: Mehrere Schwachstellen ermöglichen Manipulation von Dateien
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: Apache log4j ist ein Framework zum Loggen von Anwendungsmeldungen in Java.
Apache Log4cxx ist ein Logging-Framework für C++-Anwendungen, das flexible und konfigurierbare Logging-Funktionen bereitstellt.
Angriff: Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Apache log4j und Apache Log4cxx ausnutzen, um Dateien zu manipulieren.
Betroffene Betriebssysteme: - Sonstiges
Affected products
Known affected
9 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
IBM QRadar SIEM <7.5.0 UP16
IBM / QRadar SIEM
|
<7.5.0 UP16 | ||
|
IBM App Connect Enterprise
IBM
|
cpe:/a:ibm:app_connect_enterprise:-
|
— | |
|
IBM QRadar SIEM <7.6.0 FP 3
IBM / QRadar SIEM
|
<7.6.0 FP 3 | ||
|
IBM Tivoli Network Manager
IBM
|
cpe:/a:ibm:tivoli_network_manager:-
|
— | |
|
IBM License Metric Tool
IBM
|
cpe:/a:ibm:license_metric_tool:-
|
— | |
|
IBM Operational Decision Manager
IBM
|
cpe:/a:ibm:operational_decision_manager:-
|
— | |
|
IBM Business Automation Workflow
IBM
|
cpe:/a:ibm:business_automation_workflow:-
|
— | |
|
HCL Domino Rest API
HCL / Domino
|
cpe:/a:hcltech:domino:-
|
Rest API | |
|
Apache Log4cxx <1.7.0
Apache / Log4cxx
|
<1.7.0 |
Affected products
Known affected
10 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
IBM QRadar SIEM <7.5.0 UP16
IBM / QRadar SIEM
|
<7.5.0 UP16 | ||
|
IBM App Connect Enterprise
IBM
|
cpe:/a:ibm:app_connect_enterprise:-
|
— | |
|
IBM QRadar SIEM <7.6.0 FP 3
IBM / QRadar SIEM
|
<7.6.0 FP 3 | ||
|
Apache log4j <2.25.5
Apache / log4j
|
<2.25.5 | ||
|
Apache log4j <2.26.1
Apache / log4j
|
<2.26.1 | ||
|
IBM Tivoli Network Manager
IBM
|
cpe:/a:ibm:tivoli_network_manager:-
|
— | |
|
IBM License Metric Tool
IBM
|
cpe:/a:ibm:license_metric_tool:-
|
— | |
|
IBM Operational Decision Manager
IBM
|
cpe:/a:ibm:operational_decision_manager:-
|
— | |
|
IBM Business Automation Workflow
IBM
|
cpe:/a:ibm:business_automation_workflow:-
|
— | |
|
HCL Domino Rest API
HCL / Domino
|
cpe:/a:hcltech:domino:-
|
Rest API |
References
11 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": "Apache log4j ist ein Framework zum Loggen von Anwendungsmeldungen in Java.\r\nApache Log4cxx ist ein Logging-Framework f\u00fcr C++-Anwendungen, das flexible und konfigurierbare Logging-Funktionen bereitstellt.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Apache log4j und Apache Log4cxx ausnutzen, um Dateien zu manipulieren.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Sonstiges",
"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-2026-2292 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2292.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-2292 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2292"
},
{
"category": "external",
"summary": "Apache Security Advisory vom 2026-07-12",
"url": "https://logging.apache.org/security.html#CVE-2026-49844"
},
{
"category": "external",
"summary": "Apache Security Advisory vom 2026-07-12",
"url": "https://logging.apache.org/security.html#CVE-2026-40023"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7280602 vom 2026-07-21",
"url": "https://www.ibm.com/support/pages/node/7280602"
},
{
"category": "external",
"summary": "HCL Security Bulletin vom 2026-07-30",
"url": "https://support.hcl-software.com/csm?id=kb_article\u0026sysparm_article=KB0132666"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7283607 vom 2026-08-13",
"url": "https://www.ibm.com/support/pages/node/7283607"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7285726 vom 2026-08-31",
"url": "https://www.ibm.com/support/pages/node/7285726"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7285930 vom 2026-09-01",
"url": "https://www.ibm.com/support/pages/node/7285930"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7286012 vom 2026-09-02",
"url": "https://www.ibm.com/support/pages/node/7286012"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7286196 vom 2026-09-03",
"url": "https://www.ibm.com/support/pages/node/7286196"
}
],
"source_lang": "en-US",
"title": "Apache log4j und Log4cxx: Mehrere Schwachstellen erm\u00f6glichen Manipulation von Dateien",
"tracking": {
"current_release_date": "2026-09-02T22:00:00.000+00:00",
"generator": {
"date": "2026-09-03T09:23:19.132+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-2292",
"initial_release_date": "2026-07-12T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-07-12T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-07-21T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von IBM aufgenommen"
},
{
"date": "2026-07-29T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von HCL aufgenommen"
},
{
"date": "2026-08-12T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von IBM aufgenommen"
},
{
"date": "2026-08-30T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von IBM aufgenommen"
},
{
"date": "2026-09-01T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von IBM aufgenommen"
},
{
"date": "2026-09-02T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von IBM aufgenommen"
}
],
"status": "final",
"version": "7"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c1.7.0",
"product": {
"name": "Apache Log4cxx \u003c1.7.0",
"product_id": "T056410"
}
},
{
"category": "product_version",
"name": "1.7.0",
"product": {
"name": "Apache Log4cxx 1.7.0",
"product_id": "T056410-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:apache:log4cxx:1.7.0"
}
}
}
],
"category": "product_name",
"name": "Log4cxx"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c2.25.5",
"product": {
"name": "Apache log4j \u003c2.25.5",
"product_id": "T056405"
}
},
{
"category": "product_version",
"name": "2.25.5",
"product": {
"name": "Apache log4j 2.25.5",
"product_id": "T056405-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:apache:log4j:2.25.5"
}
}
},
{
"category": "product_version_range",
"name": "\u003c2.26.1",
"product": {
"name": "Apache log4j \u003c2.26.1",
"product_id": "T056406"
}
},
{
"category": "product_version",
"name": "2.26.1",
"product": {
"name": "Apache log4j 2.26.1",
"product_id": "T056406-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:apache:log4j:2.26.1"
}
}
}
],
"category": "product_name",
"name": "log4j"
}
],
"category": "vendor",
"name": "Apache"
},
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "Rest API",
"product": {
"name": "HCL Domino Rest API",
"product_id": "777623",
"product_identification_helper": {
"cpe": "cpe:/a:hcltech:domino:-"
}
}
}
],
"category": "product_name",
"name": "Domino"
}
],
"category": "vendor",
"name": "HCL"
},
{
"branches": [
{
"category": "product_name",
"name": "IBM App Connect Enterprise",
"product": {
"name": "IBM App Connect Enterprise",
"product_id": "T058846",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:app_connect_enterprise:-"
}
}
},
{
"category": "product_name",
"name": "IBM Business Automation Workflow",
"product": {
"name": "IBM Business Automation Workflow",
"product_id": "T053688",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:business_automation_workflow:-"
}
}
},
{
"category": "product_name",
"name": "IBM License Metric Tool",
"product": {
"name": "IBM License Metric Tool",
"product_id": "T029071",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:license_metric_tool:-"
}
}
},
{
"category": "product_name",
"name": "IBM Operational Decision Manager",
"product": {
"name": "IBM Operational Decision Manager",
"product_id": "T005180",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:operational_decision_manager:-"
}
}
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c7.5.0 UP16",
"product": {
"name": "IBM QRadar SIEM \u003c7.5.0 UP16",
"product_id": "T058943"
}
},
{
"category": "product_version",
"name": "7.5.0 UP16",
"product": {
"name": "IBM QRadar SIEM 7.5.0 UP16",
"product_id": "T058943-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:qradar_siem:7.5.0_up16"
}
}
},
{
"category": "product_version_range",
"name": "\u003c7.6.0 FP 3",
"product": {
"name": "IBM QRadar SIEM \u003c7.6.0 FP 3",
"product_id": "T058944"
}
},
{
"category": "product_version",
"name": "7.6.0 FP 3",
"product": {
"name": "IBM QRadar SIEM 7.6.0 FP 3",
"product_id": "T058944-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:qradar_siem:7.6.0_fp_3"
}
}
}
],
"category": "product_name",
"name": "QRadar SIEM"
},
{
"category": "product_name",
"name": "IBM Tivoli Network Manager",
"product": {
"name": "IBM Tivoli Network Manager",
"product_id": "T046989",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:tivoli_network_manager:-"
}
}
}
],
"category": "vendor",
"name": "IBM"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-40023",
"product_status": {
"known_affected": [
"T058943",
"T058846",
"T058944",
"T046989",
"T029071",
"T005180",
"T053688",
"777623",
"T056410"
]
},
"release_date": "2026-07-12T22:00:00.000+00:00",
"title": "CVE-2026-40023"
},
{
"cve": "CVE-2026-49844",
"product_status": {
"known_affected": [
"T058943",
"T058846",
"T058944",
"T056405",
"T056406",
"T046989",
"T029071",
"T005180",
"T053688",
"777623"
]
},
"release_date": "2026-07-12T22:00:00.000+00:00",
"title": "CVE-2026-49844"
}
]
}
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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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