WID-SEC-W-2026-1121
Vulnerability from csaf_certbund - Published: 2026-04-14 22:00 - Updated: 2026-07-06 22:00Summary
CPython: Schwachstelle ermöglicht Manipulation von Daten
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: Python ist eine universelle, üblicherweise interpretierte, höhere Programmiersprache.
Angriff: Ein lokaler Angreifer kann eine Schwachstelle in CPython ausnutzen, um Daten zu manipulieren.
Betroffene Betriebssysteme: - Linux
- Sonstiges
- UNIX
- Windows
Affected products
Known affected
7 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Ubuntu Linux
Ubuntu
|
cpe:/o:canonical:ubuntu_linux:-
|
— | |
|
SUSE openSUSE
SUSE
|
cpe:/o:suse:opensuse:-
|
— | |
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
Open Source Python CPython <3.15.0
Open Source / Python
|
CPython <3.15.0 | ||
|
RESF Rocky Linux
RESF
|
cpe:/o:resf:rocky_linux:-
|
— | |
|
Fedora Linux
Fedora
|
cpe:/o:fedoraproject:fedora:-
|
— |
References
20 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": "Python ist eine universelle, \u00fcblicherweise interpretierte, h\u00f6here Programmiersprache.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein lokaler Angreifer kann eine Schwachstelle in CPython ausnutzen, um Daten zu manipulieren.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux\n- Sonstiges\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-2026-1121 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1121.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-1121 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1121"
},
{
"category": "external",
"summary": "CPython GitHub Issue vom 2026-04-14",
"url": "https://github.com/python/cpython/issues/148178"
},
{
"category": "external",
"summary": "CPython GitHub Commit vom 2026-04-14",
"url": "https://github.com/python/cpython/commit/289fd2c97a7e5aecb8b69f94f5e838ccfeee7e67"
},
{
"category": "external",
"summary": "CPython GitHub Pull Request vom 2026-04-14",
"url": "https://github.com/python/cpython/pull/148187"
},
{
"category": "external",
"summary": "EUVD-2026-22311 vom 2026-04-14",
"url": "https://euvd.enisa.europa.eu/enisa/EUVD-2026-22311"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-841A2250E4 vom 2026-04-18",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-841a2250e4"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-382DF0CFCE vom 2026-04-18",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-382df0cfce"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-97A8EB204A vom 2026-04-18",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-97a8eb204a"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-1FD21102D1 vom 2026-04-18",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-1fd21102d1"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:8822 vom 2026-04-22",
"url": "https://access.redhat.com/errata/RHSA-2026:8822"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:8824 vom 2026-04-22",
"url": "https://access.redhat.com/errata/RHSA-2026:8824"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:7443 vom 2026-04-24",
"url": "https://access.redhat.com/errata/RHSA-2026:7443"
},
{
"category": "external",
"summary": "openSUSE Security Update OPENSUSE-SU-2026:10648-1 vom 2026-04-30",
"url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/OXHGJMXUDOCG2I5BPJZODVN2BZU3NZKD/"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:19176 vom 2026-05-20",
"url": "https://access.redhat.com/errata/RHSA-2026:19176"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:19019 vom 2026-05-19",
"url": "https://access.redhat.com/errata/RHSA-2026:19019"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:19019 vom 2026-05-29",
"url": "https://errata.build.resf.org/RLSA-2026:19019"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:19176 vom 2026-05-30",
"url": "https://errata.build.resf.org/RLSA-2026:19176"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-19176 vom 2026-06-23",
"url": "https://linux.oracle.com/errata/ELSA-2026-19176.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8509-1 vom 2026-07-06",
"url": "https://ubuntu.com/security/notices/USN-8509-1"
}
],
"source_lang": "en-US",
"title": "CPython: Schwachstelle erm\u00f6glicht Manipulation von Daten",
"tracking": {
"current_release_date": "2026-07-06T22:00:00.000+00:00",
"generator": {
"date": "2026-07-16T17:36:18.701+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-1121",
"initial_release_date": "2026-04-14T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-04-14T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-04-19T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Fedora aufgenommen"
},
{
"date": "2026-04-22T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-04-23T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-05-03T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von openSUSE aufgenommen"
},
{
"date": "2026-05-19T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-05-31T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von Rocky Enterprise Software Foundation aufgenommen"
},
{
"date": "2026-06-22T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2026-07-06T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von Ubuntu aufgenommen"
}
],
"status": "final",
"version": "9"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Fedora Linux",
"product": {
"name": "Fedora Linux",
"product_id": "74185",
"product_identification_helper": {
"cpe": "cpe:/o:fedoraproject:fedora:-"
}
}
}
],
"category": "vendor",
"name": "Fedora"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "CPython \u003c3.15.0",
"product": {
"name": "Open Source Python CPython \u003c3.15.0",
"product_id": "T052696"
}
},
{
"category": "product_version",
"name": "CPython 3.15.0",
"product": {
"name": "Open Source Python CPython 3.15.0",
"product_id": "T052696-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:python:python:cpython__3.15.0"
}
}
}
],
"category": "product_name",
"name": "Python"
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "Oracle Linux",
"product": {
"name": "Oracle Linux",
"product_id": "T004914",
"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": "T032255",
"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": "SUSE openSUSE",
"product": {
"name": "SUSE openSUSE",
"product_id": "T027843",
"product_identification_helper": {
"cpe": "cpe:/o:suse:opensuse:-"
}
}
}
],
"category": "vendor",
"name": "SUSE"
},
{
"branches": [
{
"category": "product_name",
"name": "Ubuntu Linux",
"product": {
"name": "Ubuntu Linux",
"product_id": "T000126",
"product_identification_helper": {
"cpe": "cpe:/o:canonical:ubuntu_linux:-"
}
}
}
],
"category": "vendor",
"name": "Ubuntu"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-5713",
"product_status": {
"known_affected": [
"67646",
"T000126",
"T027843",
"T004914",
"T052696",
"T032255",
"74185"
]
},
"release_date": "2026-04-14T22:00:00.000+00:00",
"title": "CVE-2026-5713"
}
]
}
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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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