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CVE-2026-105864

4.3 · MEDIUM

Payload is a free and open source headless content management system.

Published Oct 6, 2026payloadcmsCWE-863EPSS 0.20%

Overview

CVE-2026-105864 is a medium-severity vulnerability affecting payloadcms payload. It was published on October 6, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Payload is a free and open source headless content management system. In @payloadcms/plugin-multi-tenant versions before 3.90.0 and canary versions before 4.0.0-canary.34, an authenticated user limited to one tenant can create a record in another tenant when at least one tenant-enabled collection exists. Reads and direct edits of existing documents in the target tenant are not bypassed. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

Remediation

Check the references section for vendor advisories and patches from payloadcms. Update payload to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
payloadcmspayload>= 0, < 3.90.0Affected

References

GitHubgithub.com/payloadcms/payload/commit/b8fc06a18afb6974dc07f95ac1e541c716e5926bGitHubgithub.com/payloadcms/payload/releases/tag/v3.90.0GitHubgithub.com/payloadcms/payload/security/advisories/GHSA-xhm9-gwgw-3q2q

How CyberStrike helps

Frequently asked questions

What is CVE-2026-105864?

CVE-2026-105864 is a medium-severity vulnerability affecting payloadcms payload. It was published on October 6, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-105864?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-105864?

Check the references section for vendor advisories and patches from payloadcms. Update payload to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-105864?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-105864 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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