Missing authorization in Eladmin lets users write files to server storage
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
Eladmin through 2.7 contains a missing authorization flaw in the LocalStorageController uploadPicture handler, tracked as CWE-862. A low-privileged authenticated user can bypass the storage:add permission and write image-named files to server local storage through the upload endpoint. The same request also discloses absolute server paths. A proof-of-concept exploit is linked in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Eladmin through 2.7 contains a missing authorization vulnerability in the LocalStorageController uploadPicture handler that allows low-privileged authenticated users to bypass the storage:add permission. Attackers can send POST requests with image-named files to /api/localStorage/pictures to write files into server local storage and disclose absolute server paths.
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 eladmin.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-11 Threatist record created from CVE-2026-108688
- 2026-10-11 Alias added: GHSA-2hch-3q25-w3g9
- 2026-10-13 CISA SSVC decision points changed
- 2026-10-13 Priority changed: LOW → MEDIUM
References
Exploit 1
Other 1
More elunez vulnerabilities
- TI-2025-16810 eladmin <=2.7 is vulnerable to CSV Injection in the exception log download module. CVSS 3.1CRITICAL 9.8
- TI-2025-43187 A vulnerability has been discovered in eladmin v2.7 and before. CVSS 3.1HIGH 8.1
- TI-2025-07810 elunez eladmin Druid application-prod.yml default credentials CVSS 4.0MEDIUM 6.9
- TI-2024-34293 The eladmin v2.7 and before contains a remote code execution (RCE) vulnerability that can… CVSS 3.1HIGH 7.2
- TI-2024-34292 A Server-Side Request Forgery (SSRF) vulnerability has been identified in eladmin 2.7 and… CVSS 3.1MEDIUM 6.5
- TI-2024-29956 eladmin v2.7 and before is vulnerable to Cross Site Scripting (XSS) which allows an… CVSS 3.1MEDIUM 6.1
Sources
- CVE-2026-108688 · CVE Program
- CVE-2026-108688 · NVD
- FIRST EPSS
- GHSA-2hch-3q25-w3g9 · 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