Missing authorization in JeecgBoot lets users export all comments
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
JeecgBoot through 3.9.5 has a missing authorization flaw (CWE-862) in the comment export handler. Any authenticated user can download every comment record, including comment text and user ids for records they cannot access. A low-privileged attacker needs only a valid account and network access to the export endpoint. A public exploit is linked in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysCommentController exportXls handler that allows any authenticated user to export all comments. Low-privileged attackers can request /sys/comment/exportXls to download every sys_comment row, including comment text and user ids on records they cannot access.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for JeecgBoot.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-11 Threatist record created from CVE-2026-108887
- 2026-10-11 Alias added: GHSA-vvcm-q3j3-2gj4
- 2026-10-13 CISA SSVC decision points changed
- 2026-10-13 Priority changed: LOW → MEDIUM
References
Exploit 1
Other 1
More jeecgboot vulnerabilities
- TI-2023-20232 jeecg-boot v3.5.1 was discovered to contain a SQL injection vulnerability via the title… CVSS 3.1CRITICAL 9.8
- TI-2025-41083 JimuReport thru version 2.1.3 is vulnerable to remote code execution when processing… CVSS 3.1CRITICAL 9.8
- TI-2024-32354 JeecgBoot v3.7.1 was discovered to contain a SQL injection vulnerability via the… CVSS 3.1CRITICAL 9.8
- TI-2023-22545 Jeecg boot up to v3.5.3 was discovered to contain a SQL injection vulnerability via the… CVSS 3.1CRITICAL 9.8
- TI-2023-22016 SQL injection vulnerability in jeecg-boot version 3.5.3, allows remote attackers to… CVSS 3.1CRITICAL 9.8
- TI-2023-17367 jeecg-boot 3.5.0 and 3.5.1 have a SQL injection vulnerability the id parameter of the… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-108887 · CVE Program
- CVE-2026-108887 · NVD
- FIRST EPSS
- GHSA-vvcm-q3j3-2gj4 · GitHub Advisory Database · CC BY 4.0
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