CVE-2026-33518
Incorrect privilege assignment in Portal for ArcGIS
An incorrect privilege assignment vulnerability exists in Esri Portal for ArcGIS 11.5 in Windows and Linux that allows highly privileged users to create developer credentials that may grant more privileges than expected.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Incorrect privilege assignment in Portal for ArcGIS
An incorrect privilege assignment vulnerability exists in Esri Portal for ArcGIS 11.5 in Windows and Linux that allows highly privileged users to create developer credentials that may grant more privileges than expected.
- Record
CVE-2026-33518- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-266
- Updated
- 2026-11-02
EUVDEUVD-2026-24337
An incorrect privilege assignment vulnerability exists in Esri Portal for ArcGIS 11.5 in Windows and Linux that allows highly privileged users to create developer credentials that may grant more privileges than expected.
- Record
EUVD-2026-24337- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5qjr-2xxv-p9m9
An incorrect privilege assignment vulnerability exists in Esri Portal for ArcGIS 11.5 in Windows...
An incorrect privilege assignment vulnerability exists in Esri Portal for ArcGIS 11.5 in Windows and Linux that allows highly privileged users to create developer credentials that may grant more privileges than expected.
- Record
GHSA-5qjr-2xxv-p9m9- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-266
- Updated
- 2026-11-02
NVD
An incorrect privilege assignment vulnerability exists in Esri Portal for ArcGIS 11.5 in Windows and Linux that allows highly privileged users to create developer credentials that may grant more privileges than expected.
- Record
CVE-2026-33518- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-266
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-33518 is a critical vulnerability (CVSS 9.8) in Esri Portal For Arcgis, published April 21, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 22nd percentile. No source names a fixed version.