CVE-2026-2812
Improper Authentication issue in ArcGIS Server
- State
- Published
- Severity
- 5.3 Medium
- Published
- May 20, 2026
- Updated
- May 20, 2026
- Reserved
- Feb 19, 2026
Description
ArcGIS Server contains an improper authentication vulnerability in an undocumented administrative endpoint. An unauthenticated attacker could exploit this issue by sending a crafted request to the endpoint. Successful exploitation may result in disruption of the web-based browsing interface. This issue affects ArcGIS Server 12.0 and earlier.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N | Esri |
Weaknesses
- CWE-287 Improper Authentication
Affected Products
| Product | Versions |
|---|---|
ArcGIS ServerEsri |
|
References
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