CVE-2026-82984

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-82984
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-27 17:17:03 UTC
Updated2026-10-28 14:47:07 UTC
DescriptionWhen a team was configured as "visible to everyone", the web UI correctly blocked non-members from viewing the team ("You are not a member of ..."), but the resources API endpoint could still be called directly, allowing any authenticated non-member to enumerate the team's internal resources and their identifiers. This does not grant access to the contents of the discovered resources themselves, only their existence, names, and identifiers.

Risk And Classification

Primary CVSS: v3.0 4.3 MEDIUM from [email protected]

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.002670000 probability, percentile 0.187690000 (date 2026-10-28)

Problem Types: CWE-284 | CWE-284 CWE-284 Improper Access Control - Generic

VersionSourceTypeScoreSeverityVector
3.0[email protected]Secondary4.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
3.0CNADECLARED4.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Nextcloud Server affected 32.0.0 33.0.0 semver Not specified

References

ReferenceSourceLinkTags
hackerone.com/reports/3511955 [email protected] hackerone.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: _dha (yoyomiski) (en)

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