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CVE-2026-105860

7.1 · HIGH

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

Published Oct 6, 2026payloadcmsCWE-862EPSS 0.19%

Overview

CVE-2026-105860 is a high-severity vulnerability affecting payloadcms payload. It was published on October 6, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. 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, the default tenant array field access allows an authenticated user to assign the user's own account to other tenants. Deployments that replace the default behavior with secured tenants arrayFieldAccess.create and tenants arrayFieldAccess.update functions are not affected by this behavior. 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/19b58692d20d3947f31124bf7a88ac14a5ebf02eGitHubgithub.com/payloadcms/payload/releases/tag/v3.90.0GitHubgithub.com/payloadcms/payload/security/advisories/GHSA-p96c-xwx8-3cqj

How CyberStrike helps

Frequently asked questions

What is CVE-2026-105860?

CVE-2026-105860 is a high-severity vulnerability affecting payloadcms payload. It was published on October 6, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2026-105860?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-105860?

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-2026-105860?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-105860 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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