CVE-2022-31131

Nextcloud mail is a Mail app for the Nextcloud home server product. Versions of Nextcloud mail prior to 1.12.2 were found to be missing user account ownership checks when performing tasks related to mail attachments. Attachments may have been exposed to incorrect system users. It is recommended that the Nextcloud Mail app is upgraded to 1.12.2. There are no known workarounds for this issue. ### Workarounds No workaround available ### References * [Pull request](https://github.com/nextcloud/mail/pull/6600) * [HackerOne](https://hackerone.com/reports/1579820) ### For more information If you have any questions or comments about this advisory: * Create a post in [nextcloud/security-advisories](https://github.com/nextcloud/security-advisories/discussions) * Customers: Open a support ticket at [support.nextcloud.com](https://support.nextcloud.com)

• CWE-287
• CWE-639

• https://github.com/nextcloud/mail/pull/6600Issue Tracking, Patch, Third Party Advisory
• https://github.com/nextcloud/mail/pull/6600/commits/6dd2527be8d4f6788b449c8a8f5577628b990605Patch, Third Party Advisory
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xhv7-5mhv-299jExploit, Issue Tracking, Third Party Advisory
• https://github.com/nextcloud/mail/pull/6600Issue Tracking, Patch, Third Party Advisory
• https://github.com/nextcloud/mail/pull/6600/commits/6dd2527be8d4f6788b449c8a8f5577628b990605Patch, Third Party Advisory
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xhv7-5mhv-299jExploit, Issue Tracking, Third Party Advisory

Published

Jul 6, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2022-31126Roxy-wi is an open source web interface for managing Haproxy…9.8
• CVE-2022-31127NextAuth.js is a complete open source authentication solutio…6.1
• CVE-2022-31128Tuleap is a Free & Open Source Suite to improve management o…5.4
• CVE-2022-31129moment is a JavaScript date library for parsing, validating,…7.5
• CVE-2022-3113An issue was discovered in the Linux kernel through 5.16-rc6…5.5
• CVE-2022-31130Grafana is an open source observability and data visualizati…7.5
• CVE-2022-31132Nextcloud Mail is an email application for the nextcloud per…9.8
• CVE-2022-31133HumHub is an Open Source Enterprise Social Network. Affected…4.8
• CVE-2022-31134Zulip is an open-source team collaboration tool. Zulip Serve…4.9
• CVE-2022-31135Akashi is an open source server implementation of the Attorn…7.5
• CVE-2022-31136Bookwyrm is an open source social reading and reviewing prog…6.1
• CVE-2022-31137Roxy-WI is a web interface for managing Haproxy, Nginx, Apac…9.8