Nextcloud Collabra up to 4.2.5/5.0.3 Federated Share origin validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, was found in Nextcloud Collabra up to 4.2.5/5.0.3 (Cloud Software). This affects an unknown functionality of the component Federated Share Handler. The manipulation with an unknown input leads to a origin validation vulnerability. CWE is classifying the issue as CWE-346. The software does not properly verify that the source of data or communication is valid. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 06/03/2022 as GHSA-94hr-7g4v-f53r. The advisory is shared at This vulnerability is uniquely identified as CVE-2022-31024 since 05/18/2022. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading to version 4.2.6, 5.0.4 or 6.0.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at The best possible mitigation is suggested to be upgrading to the latest version.






  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (GitHub, Inc.): 🔒



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


Class: Origin validation
CWE: CWE-346 / CWE-345
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Collabra 4.2.6/5.0.4/6.0.0


05/18/2022 CVE reserved
06/03/2022 +16 days Advisory disclosed
06/03/2022 +0 days VulDB entry created
06/06/2022 +3 days VulDB last update


Advisory: GHSA-94hr-7g4v-f53r
Status: Confirmed

CVE: CVE-2022-31024 (🔒)


Created: 06/03/2022 10:48 AM
Updated: 06/06/2022 08:58 AM
Changes: 06/03/2022 10:48 AM (51), 06/06/2022 08:58 AM (1)
Complete: 🔍


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