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CVE-2026-45277

Nextcloud: Information disclosure in Nextcloud Approval app via fileId parameter reveals workflow associations

Published: Jun 1, 2026Updated: Jun 1, 2026 Sources: CVE List NVD
NVD MITRE
3.3CVSS
LOW

Nextcloud is an open source content collaboration platform. Prior to version 2.7.2, authenticated users can check if arbitrary files are associated with specific approval workflows where they can request approval. This issue has been patched in version 2.7.2.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:LI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None

Weaknesses

CWE-200

Affected Products

security-advisories
nextcloud

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h7gm-vgxr-9hcw
github.com
https://github.com/nextcloud/approval/pull/356
github.com
https://hackerone.com/reports/3475210
hackerone.com

Timeline

Published
Jun 1, 2026
Last Updated
Jun 1, 2026

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