Quick answers
- Is CVE-2026-105844 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-105844 being exploited in the wild.
- How severe is CVE-2026-105844?
- Critical severity, with a CVSS score of 4, published 6 October 2026.
- Which products and versions are affected?
- @payloadcms/plugin-import-export (npm) SEMVER:introduced=3.0.0,fixed=3.88.0; Payload Plugin-Import-Export >= 3.0.0, < 3.88.0; >= 4.0.0-canary.0, < 4.0.0-canary.27; Payload CMS Payload 3.0.0 to 3.87.x; 4.0.0-canary.0 to 4.0.0-canary.26.
- Is there a fix for CVE-2026-105844?
- Yes. @payloadcms/plugin-import-export (npm): upgrade to 3.88.0 or later. Until then: Disable the Import Export plugin or restrict access to its endpoints until upgrading to a patched version. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-105844 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-105844?
- Check whether you run @payloadcms/plugin-import-export (npm), Payload Plugin-Import-Export or Payload CMS Payload at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- @payloadcms/plugin-import-export (npm): upgrade to 3.88.0 or later
npm install @payloadcms/plugin-import-export@3.88.0
Disable the Import Export plugin or restrict access to its endpoints until upgrading to a patched version.
Technical details
The vulnerability is a prototype pollution flaw (CWE-1321) in the Import Export plugin that allows unauthenticated remote code execution. The attack requires no authentication, privileges, or user interaction, and exploits a network-accessible endpoint. An attacker can submit malicious import payloads to execute arbitrary code on the server.
Affected products
- Payload plugin-import-export >= 3.0.0, < 3.88.0; >= 4.0.0-canary.0, < 4.0.0-canary.27
Identifiers
- CVE-2026-105844
- GHSA-qf28-8hc6-vwrp
Timeline
- 2026-09-22: disclosed
- 2026-10-06: advisory