CVE-2026-2812
Improper Authentication issue in ArcGIS Server
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.
INFO
Published Date :
May 20, 2026, 5:47 p.m.
Last Modified :
May 20, 2026, 5:47 p.m.
Remotely Exploit :
Yes !
Source :
Esri
Affected Products
The following products are affected by CVE-2026-2812
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | cedc17bb-4939-4f40-a1f4-30ae8af1094e |
Solution
- Update ArcGIS Server to a patched version.
- Remove or secure undocumented endpoints.
- Restrict access to administrative interfaces.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-2812 vulnerability anywhere in the article.