CVE-2026-45277: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in nextcloud security-advisories
CVE-2026-45277 is a low-severity vulnerability in Nextcloud security-advisories prior to version 2.7.2. Authenticated users could determine whether arbitrary files were linked to specific approval workflows, potentially exposing sensitive information. This issue does not allow modification or denial of service and has been addressed in Nextcloud version 2.7.2.
AI Analysis
Technical Summary
Nextcloud versions before 2.7.2 contain an information exposure vulnerability (CWE-200) where authenticated users can verify if arbitrary files are associated with approval workflows. This could leak sensitive metadata about file workflow associations. The vulnerability has a CVSS 3.1 base score of 3.3, indicating low impact, with low attack complexity and requiring authentication. The issue was patched in version 2.7.2.
Potential Impact
The vulnerability allows authenticated users to gain read-only access to information about file associations with approval workflows, potentially exposing sensitive workflow metadata. There is no impact on integrity or availability. No known exploits are reported in the wild.
Mitigation Recommendations
Upgrade Nextcloud security-advisories to version 2.7.2 or later, where this vulnerability has been patched. Since the vendor advisory does not specify alternative mitigations, applying the official fix is the recommended action.
CVE-2026-45277: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in nextcloud security-advisories
Description
CVE-2026-45277 is a low-severity vulnerability in Nextcloud security-advisories prior to version 2.7.2. Authenticated users could determine whether arbitrary files were linked to specific approval workflows, potentially exposing sensitive information. This issue does not allow modification or denial of service and has been addressed in Nextcloud version 2.7.2.
CVSS v3.1
Score 3.3low
Affected software
pkg:github/nextcloud/security-advisoriesRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Nextcloud versions before 2.7.2 contain an information exposure vulnerability (CWE-200) where authenticated users can verify if arbitrary files are associated with approval workflows. This could leak sensitive metadata about file workflow associations. The vulnerability has a CVSS 3.1 base score of 3.3, indicating low impact, with low attack complexity and requiring authentication. The issue was patched in version 2.7.2.
Potential Impact
The vulnerability allows authenticated users to gain read-only access to information about file associations with approval workflows, potentially exposing sensitive workflow metadata. There is no impact on integrity or availability. No known exploits are reported in the wild.
Mitigation Recommendations
Upgrade Nextcloud security-advisories to version 2.7.2 or later, where this vulnerability has been patched. Since the vendor advisory does not specify alternative mitigations, applying the official fix is the recommended action.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-11T18:41:13.157Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a1de306e29bf47b503a5506
Added to database: 06/01/2026, 19:52:38 UTC
Last enriched: 06/08/2026, 20:59:47 UTC
Last updated: 07/24/2026, 20:52:05 UTC
Views: 102
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