CVE-2026-2812— Improper Authentication issue in ArcGIS Server
Quick assessment
Affected
Esri ArcGIS Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Esri ArcGIS Server是Esri公司的一个面向Web的可用于提供地理位置服务的企业级软件平台。 Esri ArcGIS Server 12.0及之前版本存在授权问题漏洞，该漏洞源于未记录的行政端点存在身份验证不当，可能导致未经身份验证的攻击者通过发送特制请求利用此问题，成功利用可能导致基于Web的浏览界面中断。
Possible ATT&CK Techniques 3 AI
T1078 · Valid Accounts T1496 · Resource Hijacking T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Esri | ArcGIS Server | 11.1≤ 12.0 |
affected |
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-2812
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Improper Authentication issue in ArcGIS Server
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Esri ArcGIS Server 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Esri ArcGIS Server是Esri公司的一个面向Web的可用于提供地理位置服务的企业级软件平台。 Esri ArcGIS Server 12.0及之前版本存在授权问题漏洞，该漏洞源于未记录的行政端点存在身份验证不当，可能导致未经身份验证的攻击者通过发送特制请求利用此问题，成功利用可能导致基于Web的浏览界面中断。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Esri | ArcGIS Server | 11.1 ~ 12.0 | - |
|
II. Public POCs for CVE-2026-2812
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-2812
请登录查看更多情报信息。
IV. Related Vulnerabilities
Same product: ArcGIS Server
Same vendor: Esri
-
CVE-2026-69233
stored cross site scripting issue in Esri Portal for ArcGIS -
CVE-2026-69234
reflected cross site scripting vulnerability in Esri Portal -
CVE-2026-69235
stored cross site scripting issue in Esri Portal for ArcGIS -
CVE-2026-69236
stored cross site scripting issue in Esri Portal for ArcGIS -
CVE-2026-69237
HTML injection vulnerability in Esri Portal for ArcGIS
Same weakness: CWE-287
-
CVE-2026-79938
Dell PowerProtect Cyber Recovery 20.3前版本认证缺陷 -
CVE-2026-80192
better-auth SSO before 1.6.27 Domain Ownership Authenticatio -
CVE-2026-44476
Doorkeeper OpenID Connect: Dynamic Client Registration featu -
CVE-2026-68569
Apache Tomcat: Principal lookup can fail open in some cases -
CVE-2026-79787
Alluxio through 2.9.5 S3 REST Proxy Authentication Bypass vi
V. Comments for CVE-2026-2812
No comments yet