CVE-2026-108880 PUBLISHED

JeecgBoot through 3.9.5 Missing Authorization via /sys/dict/editDictByLowAppId

Assigner: VulnCheck
Reserved: 11.10.2026 Published: 11.10.2026 Updated: 11.10.2026

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.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	jeecgboot
Product	JeecgBoot
Versions	Default: unaffected affected from 0 to 3.9.5 (incl.)

CVE-2026-108880 PUBLISHED

JeecgBoot through 3.9.5 Missing Authorization via /sys/dict/editDictByLowAppId

Metrics

Product Status

Credits

References

Problem Types