Privilege escalation in Jeecgboot
CVE-2026-9581
A vulnerability was identified in JeecgBoot up to 3.9.1. The impacted element is an unknown function of the file /sys/comment/add. Such manipulation leads to improper access controls. The attack can be executed remotely. The exploit is publicly available and might be used. Upgrading to version 3.9.2 is sufficient to resolve this issue. Upgrading the affected component is recommended.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (27.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Jeecgboot — versions 3.9.0, 3.9.1, 3.9.2
Weakness classification (CWE)
References
- github.com/jeecgboot/JeecgBoot/ (product)
- github.com/jeecgboot/JeecgBoot/issues/9598 (issue-tracking, exploit)
- github.com/jeecgboot/JeecgBoot/issues/9598 (issue-tracking)
- github.com/jeecgboot/JeecgBoot/releases/tag/v3.9.2 (patch)
- vuldb.com/submit/817918 (third-party-advisory)
- vuldb.com/vuln/365637 (vdb-entry)
- vuldb.com/vuln/365637/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-9581?
- CVE-2026-9581 is a medium-severity vulnerability in Jeecgboot, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-05-26.
- How severe is CVE-2026-9581?
- Medium severity. CVSS v3 base score is 6.3 out of 10.