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Critical severity9.3GHSA Advisory· Published Oct 6, 2026

CVE-2026-105844

CVE-2026-105844

Description

Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an unauthenticated user can submit prototype-sensitive field paths when @payloadcms/plugin-import-export is enabled, causing unintended application behavior that can lead to remote code execution. This issue is fixed in versions 3.88.0 and 4.0.0-canary.27.

Affected products

2
  • Payloadcms/Payloadllm-fuzzy2 versions
    >=3.0.0 <3.88.0, <4.0.0-canary.27+ 1 more
    • (no CPE)range: >=3.0.0 <3.88.0, <4.0.0-canary.27
    • (no CPE)range: >= 4.0.0-canary.0, < 4.0.0-canary.27

Patches

Vulnerability mechanics

References

4

News mentions

0

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