WID-SEC-W-2026-1517
Vulnerability from csaf_certbund - Published: 2026-05-12 22:00 - Updated: 2026-06-01 22:00Summary
Nextcloud: 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: Nextcloud ist eine "on-premise" Plattform für Dateifreigabe und Zusammenarbeit.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Nextcloud ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um Informationen offenzulegen, und um einen SQL-Injection Angriff durchzuführen.
Betroffene Betriebssysteme: - Linux
- Sonstiges
- UNIX
- Windows
Affected products
Known affected
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Nextcloud Nextcloud Forms <5.2.7
Nextcloud / Nextcloud
|
Forms <5.2.7 |
Affected products
Known affected
5 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Nextcloud Nextcloud Tables <0.9.8
Nextcloud / Nextcloud
|
Tables <0.9.8 | ||
|
Nextcloud Nextcloud Tables <0.7.7
Nextcloud / Nextcloud
|
Tables <0.7.7 | ||
|
Nextcloud Nextcloud Tables <0.8.10
Nextcloud / Nextcloud
|
Tables <0.8.10 | ||
|
Nextcloud Nextcloud Tables <1.0.4
Nextcloud / Nextcloud
|
Tables <1.0.4 | ||
|
Nextcloud Nextcloud Tables <2.0.0
Nextcloud / Nextcloud
|
Tables <2.0.0 |
Affected products
Known affected
5 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Nextcloud Nextcloud Tables <0.9.8
Nextcloud / Nextcloud
|
Tables <0.9.8 | ||
|
Nextcloud Nextcloud Tables <0.7.7
Nextcloud / Nextcloud
|
Tables <0.7.7 | ||
|
Nextcloud Nextcloud Tables <0.8.10
Nextcloud / Nextcloud
|
Tables <0.8.10 | ||
|
Nextcloud Nextcloud Tables <1.0.4
Nextcloud / Nextcloud
|
Tables <1.0.4 | ||
|
Nextcloud Nextcloud Tables <2.0.0
Nextcloud / Nextcloud
|
Tables <2.0.0 |
Affected products
Known affected
7 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Nextcloud Nextcloud Enterprise Server <32.0.9
Nextcloud / Nextcloud
|
Enterprise Server <32.0.9 | ||
|
Nextcloud Nextcloud Enterprise Server <33.0.3
Nextcloud / Nextcloud
|
Enterprise Server <33.0.3 | ||
|
Nextcloud Nextcloud Server <32.0.9
Nextcloud / Nextcloud
|
Server <32.0.9 | ||
|
Nextcloud Nextcloud Server <33.0.3
Nextcloud / Nextcloud
|
Server <33.0.3 | ||
|
Nextcloud Nextcloud Enterprise Server <29.0.16.16
Nextcloud / Nextcloud
|
Enterprise Server <29.0.16.16 | ||
|
Nextcloud Nextcloud Enterprise Server <30.0.17.9
Nextcloud / Nextcloud
|
Enterprise Server <30.0.17.9 | ||
|
Nextcloud Nextcloud Enterprise Server <31.0.14.5
Nextcloud / Nextcloud
|
Enterprise Server <31.0.14.5 |
References
6 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": "Nextcloud ist eine \"on-premise\" Plattform f\u00fcr Dateifreigabe und Zusammenarbeit.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein Angreifer kann mehrere Schwachstellen in Nextcloud ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um Informationen offenzulegen, und um einen SQL-Injection Angriff durchzuf\u00fchren.",
"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-2026-1517 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1517.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-1517 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1517"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-mp6x-g55j-w9jw vom 2026-05-12",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mp6x-g55j-w9jw"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-q4fw-6jf8-5vhh vom 2026-05-12",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q4fw-6jf8-5vhh"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-vvxm-6jjp-m9mp vom 2026-05-12",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vvxm-6jjp-m9mp"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-x43f-gmgh-vvjj vom 2026-05-12",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x43f-gmgh-vvjj"
}
],
"source_lang": "en-US",
"title": "Nextcloud: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2026-06-01T22:00:00.000+00:00",
"generator": {
"date": "2026-06-02T07:07:35.725+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-1517",
"initial_release_date": "2026-05-12T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-05-12T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-06-01T22:00:00.000+00:00",
"number": "2",
"summary": "Referenz(en) aufgenommen: EUVD-2026-33718, EUVD-2026-33715, EUVD-2026-33714, EUVD-2026-33713"
}
],
"status": "final",
"version": "2"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "Forms \u003c5.2.7",
"product": {
"name": "Nextcloud Nextcloud Forms \u003c5.2.7",
"product_id": "T053993"
}
},
{
"category": "product_version",
"name": "Forms 5.2.7",
"product": {
"name": "Nextcloud Nextcloud Forms 5.2.7",
"product_id": "T053993-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:forms__5.2.7"
}
}
},
{
"category": "product_version_range",
"name": "Tables \u003c1.0.4",
"product": {
"name": "Nextcloud Nextcloud Tables \u003c1.0.4",
"product_id": "T053994"
}
},
{
"category": "product_version",
"name": "Tables 1.0.4",
"product": {
"name": "Nextcloud Nextcloud Tables 1.0.4",
"product_id": "T053994-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:tables__1.0.4"
}
}
},
{
"category": "product_version_range",
"name": "Tables \u003c2.0.0",
"product": {
"name": "Nextcloud Nextcloud Tables \u003c2.0.0",
"product_id": "T053995"
}
},
{
"category": "product_version",
"name": "Tables 2.0.0",
"product": {
"name": "Nextcloud Nextcloud Tables 2.0.0",
"product_id": "T053995-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:tables__2.0.0"
}
}
},
{
"category": "product_version_range",
"name": "Tables \u003c0.7.7",
"product": {
"name": "Nextcloud Nextcloud Tables \u003c0.7.7",
"product_id": "T053996"
}
},
{
"category": "product_version",
"name": "Tables 0.7.7",
"product": {
"name": "Nextcloud Nextcloud Tables 0.7.7",
"product_id": "T053996-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:tables__0.7.7"
}
}
},
{
"category": "product_version_range",
"name": "Tables \u003c0.8.10",
"product": {
"name": "Nextcloud Nextcloud Tables \u003c0.8.10",
"product_id": "T053997"
}
},
{
"category": "product_version",
"name": "Tables 0.8.10",
"product": {
"name": "Nextcloud Nextcloud Tables 0.8.10",
"product_id": "T053997-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:tables__0.8.10"
}
}
},
{
"category": "product_version_range",
"name": "Tables \u003c0.9.8",
"product": {
"name": "Nextcloud Nextcloud Tables \u003c0.9.8",
"product_id": "T053998"
}
},
{
"category": "product_version",
"name": "Tables 0.9.8",
"product": {
"name": "Nextcloud Nextcloud Tables 0.9.8",
"product_id": "T053998-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:tables__0.9.8"
}
}
},
{
"category": "product_version_range",
"name": "Server \u003c33.0.3",
"product": {
"name": "Nextcloud Nextcloud Server \u003c33.0.3",
"product_id": "T053999"
}
},
{
"category": "product_version",
"name": "Server 33.0.3",
"product": {
"name": "Nextcloud Nextcloud Server 33.0.3",
"product_id": "T053999-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:server__33.0.3"
}
}
},
{
"category": "product_version_range",
"name": "Server \u003c32.0.9",
"product": {
"name": "Nextcloud Nextcloud Server \u003c32.0.9",
"product_id": "T054000"
}
},
{
"category": "product_version",
"name": "Server 32.0.9",
"product": {
"name": "Nextcloud Nextcloud Server 32.0.9",
"product_id": "T054000-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:server__32.0.9"
}
}
},
{
"category": "product_version_range",
"name": "Enterprise Server \u003c33.0.3",
"product": {
"name": "Nextcloud Nextcloud Enterprise Server \u003c33.0.3",
"product_id": "T054001"
}
},
{
"category": "product_version",
"name": "Enterprise Server 33.0.3",
"product": {
"name": "Nextcloud Nextcloud Enterprise Server 33.0.3",
"product_id": "T054001-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:enterprise_server__33.0.3"
}
}
},
{
"category": "product_version_range",
"name": "Enterprise Server \u003c32.0.9",
"product": {
"name": "Nextcloud Nextcloud Enterprise Server \u003c32.0.9",
"product_id": "T054002"
}
},
{
"category": "product_version",
"name": "Enterprise Server 32.0.9",
"product": {
"name": "Nextcloud Nextcloud Enterprise Server 32.0.9",
"product_id": "T054002-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:enterprise_server__32.0.9"
}
}
},
{
"category": "product_version_range",
"name": "Enterprise Server \u003c31.0.14.5",
"product": {
"name": "Nextcloud Nextcloud Enterprise Server \u003c31.0.14.5",
"product_id": "T054003"
}
},
{
"category": "product_version",
"name": "Enterprise Server 31.0.14.5",
"product": {
"name": "Nextcloud Nextcloud Enterprise Server 31.0.14.5",
"product_id": "T054003-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:enterprise_server__31.0.14.5"
}
}
},
{
"category": "product_version_range",
"name": "Enterprise Server \u003c30.0.17.9",
"product": {
"name": "Nextcloud Nextcloud Enterprise Server \u003c30.0.17.9",
"product_id": "T054004"
}
},
{
"category": "product_version",
"name": "Enterprise Server 30.0.17.9",
"product": {
"name": "Nextcloud Nextcloud Enterprise Server 30.0.17.9",
"product_id": "T054004-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:enterprise_server__30.0.17.9"
}
}
},
{
"category": "product_version_range",
"name": "Enterprise Server \u003c29.0.16.16",
"product": {
"name": "Nextcloud Nextcloud Enterprise Server \u003c29.0.16.16",
"product_id": "T054005"
}
},
{
"category": "product_version",
"name": "Enterprise Server 29.0.16.16",
"product": {
"name": "Nextcloud Nextcloud Enterprise Server 29.0.16.16",
"product_id": "T054005-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:enterprise_server__29.0.16.16"
}
}
}
],
"category": "product_name",
"name": "Nextcloud"
}
],
"category": "vendor",
"name": "Nextcloud"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-45543",
"product_status": {
"known_affected": [
"T053993"
]
},
"release_date": "2026-05-12T22:00:00.000+00:00",
"title": "CVE-2026-45543"
},
{
"cve": "CVE-2026-45544",
"product_status": {
"known_affected": [
"T053998",
"T053996",
"T053997",
"T053994",
"T053995"
]
},
"release_date": "2026-05-12T22:00:00.000+00:00",
"title": "CVE-2026-45544"
},
{
"cve": "CVE-2026-45545",
"product_status": {
"known_affected": [
"T053998",
"T053996",
"T053997",
"T053994",
"T053995"
]
},
"release_date": "2026-05-12T22:00:00.000+00:00",
"title": "CVE-2026-45545"
},
{
"cve": "CVE-2026-45691",
"product_status": {
"known_affected": [
"T054002",
"T054001",
"T054000",
"T053999",
"T054005",
"T054004",
"T054003"
]
},
"release_date": "2026-05-12T22:00:00.000+00:00",
"title": "CVE-2026-45691"
}
]
}
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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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