CVE-2026-69225: There is an information disclosure vulnerability in Esri Portal for ArcGIS versions 11.5 through 12.0 and earl

Routine

MEDIUM 5.9REMOTEDOWNGRADE

CVE-2026-69225 is a medium-severity flaw (CVSS 5.9) affecting portal for arcgis. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 61%)
CISA exploited list	No
Weakness	CWE-200
Published	2026-08-21
Last modified	2026-10-12

Publisher (CNA): Environmental Systems Research Institute, Inc. · Vendor: esri

Last updated 2026-10-12 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-21 21:17 UTCPublished CVE record published
2026-10-12 16:10 UTCUpdated Record last modified

esri portal for arcgis DOWNGRADE

Affected: 11.5 · 11.5 security_2026_update1 · 11.5 security_2026_update2 · 12.0 · 12.0 security_2026_update1 · 12.0 security_2026_update2

Fixed in: no fixed release known

Safe to downgrade to: a release before 11.5

1. Check installed version

apt-cache policy portal-for-arcgis || rpm -q portal-for-arcgis || portal-for-arcgis --version

2. No fixed release: DOWNGRADE to a release before 11.5 (Debian / Ubuntu)

apt-cache madison portal-for-arcgis sudo apt install portal-for-arcgis=<VERSION_BEFORE_11.5> sudo apt-mark hold portal-for-arcgis

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list portal-for-arcgis sudo dnf downgrade portal-for-arcgis-<VERSION_BEFORE_11.5> sudo dnf versionlock add portal-for-arcgis

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-69225?

portal for arcgis: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-69225 being exploited?

CVE-2026-69225 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-69225 affect?

CVE-2026-69225 affects portal for arcgis. Severity is medium (CVSS 5.9). 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.

How urgent is CVE-2026-69225?

Priority 36/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-33518 CRITICAL 9.8 DOWNGRADE An incorrect privilege assignment vulnerability exists in Esri Portal for ArcGIS 11.5 in Windows and Linux tha
CVE-2026-33519 CRITICAL 9.8 DOWNGRADE An incorrect authorization vulnerability exists in Esri Portal for ArcGIS 11.4, 11.5 and 12.0 on Windows, Linu
CVE-2026-13019 CRITICAL 9.8 UPGRADE Esri Portal for ArcGIS versions 12.1 and earlier on Windows, Linux and Kubernetes have a missing authenticatio
CVE-2026-13020 HIGH 8.1 UPGRADE A Weak Password Recovery Mechanism for Forgotten Password exists in Esri Portal for ArcGIS versions 12.1 and e
CVE-2026-69224 MEDIUM 5.9 UPGRADE There is an information disclosure vulnerability in Esri Portal for ArcGIS versions 12.0 and earlier that may

References

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