Nextcloud Tables up to 0.8.6/0.9.3 authorization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Nextcloud Tables up to 0.8.6/0.9.3. Impacted is an unknown function. The manipulation leads to authorization. This vulnerability is traded as CVE-2025-66553. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Nextcloud Tables up to 0.8.6/0.9.3. This issue affects an unknown functionality. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. Impacted is confidentiality. The summary by CVE is:

Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.7 and 0.9.4, authenticated users were able to view meta data of columns in other tables of the Tables app by modifying the numeric ID in a request. This vulnerability is fixed in 0.8.7 and 0.9.4.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-66553 since 12/04/2025. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 0.8.7 or 0.9.4 eliminates this vulnerability. Applying the patch e975f5bfedb6922f04cdd236cde4e26067fe064e is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Tables 0.8.7/0.9.4
Patch: e975f5bfedb6922f04cdd236cde4e26067fe064e

Timelineinfo

12/04/2025 CVE reserved
12/06/2025 +2 days Advisory disclosed
12/06/2025 +0 days VulDB entry created
12/06/2025 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-p53h-6294-crjw
Status: Confirmed

CVE: CVE-2025-66553 (🔒)
GCVE (CVE): GCVE-0-2025-66553
GCVE (VulDB): GCVE-100-334559

Entryinfo

Created: 12/06/2025 05:03
Changes: 12/06/2025 05:03 (66)
Complete: 🔍
Cache ID: 216::103

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