Answer in brief
CVE-2026-13019 records a Critical severity (CVSS 9.8) vulnerability in Missing Authentication. The current sources do not mark it as known exploited. The current feed maps Esri/Portal for ArcGIS (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Esri/Portal for ArcGIS (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:a:esri:portal_for_arcgis:*:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:a:kubernetes:kubernetes:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Esri/Portal for ArcGISgeneric | >=0 <12.1 | 12.1 |
Published upstream
Jul 7, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 7, 2026
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 versions are known to be affected: Portal for ArcGIS 12.1 and earlier. Other unsupported versions may also be affected. Esri recommends that users apply the Portal for ArcGIS Security 2026 Update 2 Patch to remediate this vulnerability.
Quoted source text, attributed separately from HOL analysis.