CVE-2026-105860: Payload is a free and open source headless content management system

Routine

HIGH 7.1UPGRADE

CVE-2026-105860 is a high-severity flaw (CVSS 7.1) affecting payload. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 thi

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 91%)
CISA exploited list	No
Weakness	CWE-862
Published	2026-10-06
Last modified	2026-10-15

Publisher (CNA): GitHub, Inc. · Vendor: payloadcms

Last updated 2026-10-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-06 17:17 UTCPublished CVE record published
2026-10-15 00:10 UTCUpdated Record last modified

payloadcms payload UPGRADE

Affected: < 3.90.0 · 4.0.0 canary0 · 4.0.0 canary1 · 4.0.0 canary10 · 4.0.0 canary11 · 4.0.0 canary12 · 4.0.0 canary13 · 4.0.0 canary14

Fixed in: 3.90.0

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls payload

2. UPGRADE to 3.90.0

npm install payload@">=3.90.0"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-105860?

payload: upgrade to 3.90.0. Exact commands for each OS are on this page.

Is CVE-2026-105860 being exploited?

CVE-2026-105860 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-105860 affect?

CVE-2026-105860 affects payload. Severity is high (CVSS 7.1). 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 t

How urgent is CVE-2026-105860?

Priority 27/100. High severity

Related CVEs

CVE-2026-34751 CRITICAL 9.1 UPGRADE Payload is a free and open source headless content management system
CVE-2026-34747 HIGH 8.5 UPGRADE Payload is a free and open source headless content management system
CVE-2026-34748 HIGH 8.7 UPGRADE Payload is a free and open source headless content management system
CVE-2026-34746 HIGH 7.7 UPGRADE Payload is a free and open source headless content management system
CVE-2026-34749 MEDIUM 5.4 UPGRADE Payload is a free and open source headless content management system

References

← Back to latest CVEs