CVE-2026-108688

Description

Eladmin through 2.7 contains a missing authorization vulnerability in the LocalStorageController uploadPicture handler that allows low-privileged authenticated users to bypass the storage:add permission. Attackers can send POST requests with image-named files to /api/localStorage/pictures to write files into server local storage and disclose absolute server paths.

References

• https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/eladmin/poc_localStorage_pictures.py
• https://github.com/elunez/eladmin/blob/39d480938d27a9630d632578c3ef60cf3647a79e/eladmin-tools/src/main/java/me/zhengjie/rest/LocalStorageController.java#L72-L82
• https://www.vulncheck.com/advisories/eladmin-through-2.7-missing-authorization-via-api-localstorage-pictures-upload