CVE-2026-105854
High
Description
Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.90.0 and canary versions before 4.0.0-canary.34, a malformed multipart request body can cause multipart Content-Type processing to take an extremely long time, resulting in uncontrolled resource consumption. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.
SeverityHigh
CVSS7.5
Exploit probability—
ProductPayload
PublishedOct 6, 2026
First seenOct 6, 2026
How to fix
Update
- payloadcms payload3.90.0 or later
- payload3.90.0, 4.0.0-canary.34 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| payloadcms payload | 3.0.0 ≤ v < 3.90.0, 4.0.0 | 3.90.0 |
| payloadnpm | 3.0.0 ≤ v < 3.90.0, 4.0.0-canary.0 ≤ v < 4.0.0-canary.34 | 3.90.0, 4.0.0-canary.34 |
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