CVE-2026-108591: InnoShop 0.9.2 Local File Disclosure via AI Core MCP file_upload Tool

Severity: medium (CVSS 4.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-10 · updated 2026-10-18
Weakness: CWE-73

Description

InnoShop 0.9.2 contains a local file disclosure vulnerability that allows authenticated administrators with files_create permission to read server files by abusing the AI Core MCP file_upload tool's source argument. Attackers can supply file:// or php:// stream wrappers passed to file_get_contents(), storing contents on the public media disk to expose the .env file with APP_KEY and database credentials.

Affected products

innocommerce InnoShop: from 0.9.2 through 0.9.2

References

https://github.com/innocommerce/innoshop
https://github.com/innocommerce/innoshop/blob/6af6a9744414d10d2f5aab516ed0b6c3045a2848/innopacks/aicore/src/Tools/FileUploadTool.php#L55-L89
https://github.com/innocommerce/innoshop/blob/6af6a9744414d10d2f5aab516ed0b6c3045a2848/innopacks/restapi/src/Services/UploadService.php#L33
https://hackmd.io/@haind/innoshop-mcp-local-file-read
https://www.vulncheck.com/advisories/innoshop-0.9.2-local-file-disclosure-via-ai-core-mcp-file-upload-tool

Get alerted when CVE-2026-108591 or the next vulnerability affects your stack