CVE-2026-108623: JeecgBoot through 3.9.5 Missing Authorization via /sys/log/deleteBatch

Severity: high (CVSS 7.1 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 2026-10-14
Weakness: CWE-862

Description

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysLogController deleteBatch handler that allows any authenticated user to delete system audit log entries. Low-privileged attackers can send a DELETE request with ids set to allclear to wipe the entire sys_log table, erasing all users' audit trails.

Affected products

JeecgBoot: through 3.9.5

References

https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_log_delete_batch.py
https://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysLogController.java#L125-L140
https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-log-deletebatch

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