Missing authorization in JeecgBoot exposes announcement attachments
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 contains a missing authorization flaw (CWE-862) in the SysAnnouncementController downLoadFiles handler. An authenticated user with low privileges over the network can download a ZIP of announcement attachments from unreleased announcements or from announcements addressed only to other users. An 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 SysAnnouncementController downLoadFiles handler that allows low-privileged authenticated users to download announcement attachments. Attackers can supply a known announcement id to retrieve a ZIP of attachments from unreleased announcements or those addressed only to other users.
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-2026-108676
- 2026-10-11 Alias added: GHSA-hmx7-v3mc-j73j
- 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-2026-108676 · CVE Program
- CVE-2026-108676 · NVD
- FIRST EPSS
- GHSA-hmx7-v3mc-j73j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences