CVE-2026-108654: JeecgBoot through 3.9.5 Missing Authorization via /sys/oss/file/queryById

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-10 · updated 2026-10-13
Weakness: CWE-862

Description

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the OssFileController queryById handler that allows low-privileged authenticated users to read object storage file records. Attackers who know a record id can request GET /sys/oss/file/queryById to obtain original file names and direct storage URLs of files uploaded by other users.

Affected products

JeecgBoot: through 3.9.5

References

https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_record_query_by_id.py
https://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/oss/controller/OssFileController.java#L84-L97
https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-oss-file-querybyid

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