VulnSea

Esri has 45 CVEs on record between 2025 and 2026. Disclosure cadence is accelerating: 23 in the last 90 days against 3 in the 90 before. The busiest recent month was August 2026 with 13. The median CVSS is 6.1 (medium), with 4 rated critical. None have a confirmed exploitation report. The dominant weakness classes are CWE-79 (26) and CWE-601 (4). Most affected products: portal_for_arcgis (23), arcgis_server (12), ArcGIS Server (6).

CVEs per month

Last 12 months, by publish date

111201020304050607080910
Exploited share
0% vs 1% corpus
Median CVSS
6.1
Publish → KEV
—
Last 90 days
23 prev 3

Products

  • portal_for_arcgis 23
  • arcgis_server 12
  • ArcGIS Server 6
  • Portal for ArcGIS 3
  • Lerc 1
45
Total CVEs
4
Critical
0
CISA KEV
0
Exploited

Esri vulnerabilities

CVEs affecting Esri, newest first. Open any entry for full detail, references, and exploit status.

45 CVEsRSS

CVE-2026-33521High· 7.5
2d ago

BUG-000186514 - ArcGIS Server has a security vulnerability.

There is s denial of service vulnerability in Esri ArcGIS Server versions 12.0 and prior that may allow a remote, unauthenticated attacker to supply crafted requests that may, under exceptional circumstances, consume all available worker…

▾ TwilightEsri · ArcGIS ServerEPSS 0.45%via CVEORG
CVE-2026-33520Medium· 6.1
2d ago

BUG-000185167 - ArcGIS Server has a security vulnerability.

There is a reflected cross site scripting vulnerability in Esri Portal for ArcGIS versions 12.1 and prior which may allow a remote, unauthenticated attacker to create a crafted link which when clicked could potentially execute arbitrary …

▾ SunlitEsri · ArcGIS ServerEPSS 0.25%via CVEORG
CVE-2026-10757Critical· 9.8
2d ago

BUG-000187511 - ArcGIS Server has a security vulnerability.

There is a SQL injection vulnerability in Esri ArcGIS Server versions 12.1 and earlier on Windows and Linux that may allow a remote attacker with privileges to access the service (which could, depending on the service being configured in…

▾ MidnightEsri · ArcGIS ServerEPSS 0.45%via CVEORG
CVE-2026-50095Medium· 6.1
2d ago

BUG-000187165 - ArcGIS Server has a security vulnerability.

There is a stored cross site scripting issue in Esri ArcGIS Server 11.1 and earlier on Windows and Linux that in some configurations allows a remote unauthenticated attacker to store files that contain malicious code that may execute in …

▾ SunlitEsri · ArcGIS ServerEPSS 0.25%via CVEORG
CVE-2026-33522Medium· 5.3
2d ago

BUG-000182936 - ArcGIS Server has a security vulnerability.

Esri ArcGIS Server versions 11.3 to 12.0 ONLY allows a remote, unauthenticated attacker to update service metadata. A patch is provided for ArcGIS Server software in General Availability and Extended support status, which includes versio…

▾ SunlitEsri · ArcGIS ServerEPSS 0.29%via CVEORG
CVE-2026-50096Medium· 6.1
2d ago

BUG-000187164 - ArcGIS Server has a security vulnerability.

There is a reflected cross site scripting vulnerability in Esri Portal for ArcGIS versions 12.1 and prior which may allow a remote, unauthenticated attacker to create a crafted link which when clicked could potentially execute arbitrary …

▾ SunlitEsri · ArcGIS ServerEPSS 0.25%via CVEORG
CVE-2026-69227Critical· 9.8
2w ago

A flaw in Portal for ArcGIS allows unauthenticated access to certain Portal Administrator API endpoints under specific conditions

A flaw in Portal for ArcGIS allows unauthenticated access to certain Portal Administrator API endpoints under specific conditions. This could enable an attacker to access administrative functionality that should require authentication.

▾ MidnightEsri · Portal for ArcGISEPSS 0.33%via NVD
CVE-2026-69226Medium· 6.5
2w ago

A flaw in Portal for ArcGIS allows unauthenticated users to create new accounts through the sharing endpoint even when self-service account registration is disabled (disableSignup=true)

A flaw in Portal for ArcGIS allows unauthenticated users to create new accounts through the sharing endpoint even when self-service account registration is disabled (disableSignup=true). An attacker can bypass the intended restriction by…

▾ SunlitEsri · Portal for ArcGISEPSS 0.18%via NVD
CVE-2026-10759Medium· 5.5
2w ago

A flaw in Portal for ArcGIS could allow LDAP injection through administrative functionality that constructs Active Directory or LDAP search queries without sufficient input neutralization

A flaw in Portal for ArcGIS could allow LDAP injection through administrative functionality that constructs Active Directory or LDAP search queries without sufficient input neutralization. An authenticated administrator could supply craf…

▾ SunlitEsri · Portal for ArcGISEPSS 0.25%via NVD
CVE-2026-10758High· 7.5
1mo ago

Esri LERC is an open-source image or raster format which supports rapid encoding and decoding for any pixel type

Esri LERC is an open-source image or raster format which supports rapid encoding and decoding for any pixel type. A Heap based Out-of-Bounds Write via Integer Overflow in LERC versions 4.1.0 and earlier may allow a remote, unauthenticate…

▾ TwilightEsri · LercEPSS 0.33%via NVD
CVE-2026-69238Low· 3.5
2mo ago

There is an HTML injection vulnerability in Esri Portal for ArcGIS versions 11.5 and prior that allows a remote, highly priviliged attacker to insert arbitrary HTML into the Portal for ArcGIS Home application

There is an HTML injection vulnerability in Esri Portal for ArcGIS versions 11.5 and prior that allows a remote, highly priviliged attacker to insert arbitrary HTML into the Portal for ArcGIS Home application. Users working with ArcGIS E…

▾ Sunlitesri · portal_for_arcgisEPSS 0.24%via NVD
CVE-2026-69237Low· 3.8
2mo ago

There is an HTML injection vulnerability in Esri Portal for ArcGIS versions 11.3 and prior that allows a remote attacker with administrative privileges to insert arbitrary HTML into an administrative API

There is an HTML injection vulnerability in Esri Portal for ArcGIS versions 11.3 and prior that allows a remote attacker with administrative privileges to insert arbitrary HTML into an administrative API. Users working with ArcGIS Enterp…

▾ Sunlitesri · portal_for_arcgisEPSS 0.29%via NVD
CVE-2026-69230Medium· 5.5
2mo ago

There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 11.5 and prior that may allow a remote, administratively privileged attacker to inject malicious code that could potentially execute arbitrary in a victim’s …

There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 11.5 and prior that may allow a remote, administratively privileged attacker to inject malicious code that could potentially execute arbitrary in a victim’s …

▾ Sunlitesri · portal_for_arcgisEPSS 0.24%via NVD
CVE-2026-69229Medium· 5.4
2mo ago

There is an HTML injection vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that allows a remote, authenticated attacker to insert arbitrary HTML into the Portal for ArcGIS Home application

There is an HTML injection vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that allows a remote, authenticated attacker to insert arbitrary HTML into the Portal for ArcGIS Home application. Users working with ArcGIS Enter…

▾ Sunlitesri · portal_for_arcgisEPSS 0.27%via NVD
CVE-2026-69228Medium· 5.3
2mo ago

There is a missing authentication vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that may allow a remote, unauthenticated attacker to access a specific resource (not user content) that should only be accessible by authen…

There is a missing authentication vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that may allow a remote, unauthenticated attacker to access a specific resource (not user content) that should only be accessible by authen…

▾ Sunlitesri · portal_for_arcgisEPSS 0.48%via NVD
CVE-2026-69225Medium· 5.9
2mo ago

There is an information disclosure vulnerability in Esri Portal for ArcGIS versions 11.5 through 12.0 and earlier that may allow a remote, unauthenticated attacker to reflect sensitive information in a http response body.

There is an information disclosure vulnerability in Esri Portal for ArcGIS versions 11.5 through 12.0 and earlier that may allow a remote, unauthenticated attacker to reflect sensitive information in a http response body.

▾ Sunlitesri · portal_for_arcgisEPSS 0.46%via NVD
CVE-2026-69224Medium· 5.9
2mo ago

There is an information disclosure vulnerability in Esri Portal for ArcGIS versions 12.0 and earlier that may under difficult to reproduce circumstances allow a remote, unauthenticated attacker to reflect sensitive information in a http …

There is an information disclosure vulnerability in Esri Portal for ArcGIS versions 12.0 and earlier that may under difficult to reproduce circumstances allow a remote, unauthenticated attacker to reflect sensitive information in a http …

▾ Sunlitesri · portal_for_arcgisEPSS 0.46%via NVD
CVE-2026-69235Medium· 6.1
2mo ago

There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 11.5 and prior that may allow a remote, privileged attacker to inject malicious code that could potentially execute arbitrary in a victim’s browser

There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 11.5 and prior that may allow a remote, privileged attacker to inject malicious code that could potentially execute arbitrary in a victim’s browser. Users wo…

▾ Sunlitesri · portal_for_arcgisEPSS 0.30%via NVD
CVE-2026-69234Medium· 6.1
2mo ago

There is a reflected cross site scripting vulnerability in Esri Portal for ArcGIS versions 11.5 and prior which may allow a remote, unauthenticated attacker to create a crafted link which when clicked could potentially execute arbitrary …

There is a reflected cross site scripting vulnerability in Esri Portal for ArcGIS versions 11.5 and prior which may allow a remote, unauthenticated attacker to create a crafted link which when clicked could potentially execute arbitrary …

▾ Sunlitesri · portal_for_arcgisEPSS 0.34%via NVD
CVE-2026-69233Medium· 5.5
2mo ago

There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 11.5 and prior that may allow a remote, administratively privileged attacker to inject malicious code that could potentially execute arbitrary in a victim’s …

There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 11.5 and prior that may allow a remote, administratively privileged attacker to inject malicious code that could potentially execute arbitrary in a victim’s …

▾ Sunlitesri · portal_for_arcgisEPSS 0.27%via NVD
CVE-2026-69232Medium· 5.5
2mo ago

There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 11.5 and prior that may allow a remote, privileged attacker to inject malicious code that could potentially execute arbitrary JavaScript in a victim’s browse…

There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 11.5 and prior that may allow a remote, privileged attacker to inject malicious code that could potentially execute arbitrary JavaScript in a victim’s browse…

▾ Sunlitesri · portal_for_arcgisEPSS 0.33%via NVD
CVE-2026-69231Medium· 5.5
2mo ago

There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 11.5 and prior that may allow a remote, privileged attacker to inject malicious code that could potentially execute arbitrary JavaScript in a victim’s browse…

There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 11.5 and prior that may allow a remote, privileged attacker to inject malicious code that could potentially execute arbitrary JavaScript in a victim’s browse…

▾ Sunlitesri · portal_for_arcgisEPSS 0.33%via NVD
CVE-2026-69236Medium· 6.1
2mo ago

There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 12.1 and prior that may allow a remote, privileged attacker to inject malicious code that could potentially execute arbitrary JavaScript in a victim’s browse…

There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 12.1 and prior that may allow a remote, privileged attacker to inject malicious code that could potentially execute arbitrary JavaScript in a victim’s browse…

▾ Sunlitesri · portal_for_arcgisEPSS 0.30%via NVD
CVE-2026-13019Critical· 9.8
3mo ago

Esri Portal for ArcGIS versions 12.1 and earlier on Windows, Linux and Kubernetes have a missing authentication for critical function vulnerability allows a remote, unauthenticated attacker to access an unprotected API

Esri Portal for ArcGIS versions 12.1 and earlier on Windows, Linux and Kubernetes have a missing authentication for critical function vulnerability allows a remote, unauthenticated attacker to access an unprotected API. The following ver…

▾ Midnightesri · portal_for_arcgisEPSS 0.85%via NVD
CVE-2026-2813Medium· 4.7
5mo ago

ArcGIS Server contains an input validation weakness in the login redirection workflow

ArcGIS Server contains an input validation weakness in the login redirection workflow. An Authenticated attacker could exploit this issue by sending a specially crafted request, Successful exploitation may result in the application redir…

▾ Sunlitesri · arcgis_serverEPSS 0.30%via NVD
CVE-2026-2812Medium· 5.3
5mo ago

ArcGIS Server contains an improper authentication vulnerability in an undocumented administrative endpoint

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 re…

▾ Sunlitesri · arcgis_serverEPSS 0.36%via NVD
CVE-2025-67711Medium· 6.1
10mo ago

There is a stored cross site scripting issue in Esri ArcGIS Server 11.4 and earlier on Windows and Linux that in some configurations allows a remote unauthenticated attacker to store files that contain malicious code that may execute in …

There is a stored cross site scripting issue in Esri ArcGIS Server 11.4 and earlier on Windows and Linux that in some configurations allows a remote unauthenticated attacker to store files that contain malicious code that may execute in …

▾ Sunlitesri · arcgis_serverEPSS 0.24%via NVD
CVE-2025-67710Medium· 6.1
10mo ago

There is a stored cross site scripting issue in Esri ArcGIS Server 11.4 and earlier on Windows and Linux that in some configurations allows a remote unauthenticated attacker to store files that contain malicious code that may execute in …

There is a stored cross site scripting issue in Esri ArcGIS Server 11.4 and earlier on Windows and Linux that in some configurations allows a remote unauthenticated attacker to store files that contain malicious code that may execute in …

▾ Sunlitesri · arcgis_serverEPSS 0.24%via NVD
CVE-2025-67709Medium· 6.1
10mo ago

There is a stored cross site scripting issue in Esri ArcGIS Server 11.4 and earlier on Windows and Linux that in some configurations allows a remote unauthenticated attacker to store files that contain malicious code that may execute in …

There is a stored cross site scripting issue in Esri ArcGIS Server 11.4 and earlier on Windows and Linux that in some configurations allows a remote unauthenticated attacker to store files that contain malicious code that may execute in …

▾ Sunlitesri · arcgis_serverEPSS 0.24%via NVD
CVE-2025-67708Medium· 6.1
10mo ago

There is a stored cross site scripting issue in Esri ArcGIS Server 11.4 and earlier on Windows and Linux that in some configurations allows a remote unauthenticated attacker to store files that contain malicious code that may execute in …

There is a stored cross site scripting issue in Esri ArcGIS Server 11.4 and earlier on Windows and Linux that in some configurations allows a remote unauthenticated attacker to store files that contain malicious code that may execute in …

▾ Sunlitesri · arcgis_serverEPSS 0.24%via NVD
Esri vulnerabilities (CVEs) · VulnSea