[ CVE-2026-108880 · Published 11 Oct 2026 ]

Vulnerability in JeecgBoot

CVSS 4.3 EPSS <1%No fix listed yet

[ Why it matters ]Priority signals

  • Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official description

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the PUT /sys/dict/editDictByLowAppId endpoint that allows any authenticated user to modify low-code application dictionaries. Attackers can supply a dictionary's low_app_id, obtained from GET /sys/dict/list, via the lowAppId parameter or X-Low-App-ID header to rename dictionaries and replace their items.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.