CVE-2026-69227: BUG-000187331 Portal for ArcGIS has a security vulnerability
Awaiting analysis
Published 13-10-2026Last modified 14-10-2026
Vulnerability summary
CVE-2026-69227 is a critical (CVSS 9.8) vulnerability in esri portal_for_arcgis. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 25.5% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.33%
0%100%
Low · Change unavailableKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 13-10-2026PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
26%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
14-10-202626-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Esri1 product
- portal_for_arcgis≥ 11.1, ≤ 12.1
1 vendor · 1 product