CVE-2026-13020— Weak Password Recovery Mechanism in Portal for ArcGIS
Quick assessment
Affected
Esri Portal for ArcGIS
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 portal for arcgis是美国Esri公司的一套地理信息门户平台。 Esri Portal for ArcGIS 12.1及之前版本存在授权问题漏洞，该漏洞源于弱密码恢复机制，可能导致远程未经授权的攻击者操纵此机制接管用户账户。
Possible ATT&CK Techniques 1 AI
T1136.003 · Cloud AccountAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Esri | Portal for ArcGIS | < 12.1 |
affected |
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I. Basic Information for CVE-2026-13020
Vulnerability Information
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Vulnerability Title
Weak Password Recovery Mechanism in Portal for ArcGIS
Source: CVE Program / CVE List V5
Vulnerability Description
A Weak Password Recovery Mechanism for Forgotten Password exists in Esri Portal for ArcGIS versions 12.1 and earlier on Windows, Linux and Kubernetes. A remote, unauthorized attacker may assume ownership of a user’s account by manipulating this mechanism. ArcGIS Administrators should configure an email server with ArcGIS Enterprise to facilitate user self-service password recovery. The ability for an administrator to reset a user’s password remains unchanged.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
忘记口令恢复机制弱
Source: CVE Program / CVE List V5
Vulnerability Title
Esri Portal for ArcGIS 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Esri portal for arcgis是美国Esri公司的一套地理信息门户平台。 Esri Portal for ArcGIS 12.1及之前版本存在授权问题漏洞，该漏洞源于弱密码恢复机制，可能导致远程未经授权的攻击者操纵此机制接管用户账户。
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 | Portal for ArcGIS | 0 ~ 12.1 | - |
|
II. Public POCs for CVE-2026-13020
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-13020 (1)
IV. Related Vulnerabilities
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CVE-2026-69233
stored cross site scripting issue in Esri Portal for ArcGIS -
CVE-2026-69234
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CVE-2026-69235
stored cross site scripting issue in Esri Portal for ArcGIS -
CVE-2026-69236
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CVE-2026-69237
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-
CVE-2026-10758
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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
Same weakness: CWE-640
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V. Comments for CVE-2026-13020
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