JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysAnnouncementController downLoadFiles handler that allows… (CVE-2026-108676)
Description
JeecgBoot versions through 3.9.5 have a missing authorization vulnerability in the SysAnnouncementController downLoadFiles handler. This flaw allows low-privileged authenticated users to download announcement attachments by supplying a known announcement ID. Exploitation can lead to unauthorized access to ZIP files containing attachments from unreleased or user-restricted announcements. The vulnerability has a CVSS score of 4.3, indicating medium severity.
CVSS v3.1
Score 4.3medium
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-108676 describes a missing authorization vulnerability in JeecgBoot through version 3.9.5 within the SysAnnouncementController downLoadFiles handler. The flaw permits authenticated users with low privileges to bypass access controls and download announcement attachments by specifying a valid announcement ID. This can expose attachments from announcements that are either unreleased or intended for other users only. The vulnerability is classified under CWE-862 (Missing Authorization).
Potential Impact
The vulnerability allows unauthorized disclosure of announcement attachments by low-privileged authenticated users. Confidentiality is impacted as users can access attachments not intended for them. There is no impact on integrity or availability. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor vendor communications for updates. Until a fix is available, restrict access to the affected controller or implement additional access controls as a temporary mitigation.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-hmx7-v3mc-j73j
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-108676"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6acc00d72cdf04f656feeb30
Added to database: 10/11/2026, 21:34:15 UTC
Last enriched: 10/11/2026, 21:56:44 UTC
Last updated: 10/11/2026, 23:28:11 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.