CVE-2026-69233: There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 11.5 and prior that may allow

Q: How do I fix CVE-2026-69233?

portal for arcgis: upgrade to 11.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-69233 being exploited?

CVE-2026-69233 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-69233 affect?

CVE-2026-69233 affects portal for arcgis. Severity is medium (CVSS 5.5). 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 bro

Q: How urgent is CVE-2026-69233?

Priority 24/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADE

CVE-2026-69233 is a medium-severity flaw (CVSS 5.5) affecting portal for arcgis. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 browser. Users working with ArcGIS Enterprise 11.1, 11.3, and 11.5 are encouraged to patch. All users are advised to upgrade to the latest long-term support release.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-79
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 UPGRADE

Affected: < 11.1 · 11.1 · 11.1 security_2024_update1 · 11.1 security_2024_update2 · 11.1 security_2025_update1 · 11.1 security_2025_update2 · 11.1 security_2025_update3 · 11.1 security_2026_update2

Fixed in: 11.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 11.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade portal-for-arcgis

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade portal-for-arcgis

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2026-69233?

portal for arcgis: upgrade to 11.1. Exact commands for each OS are on this page.

Is CVE-2026-69233 being exploited?

CVE-2026-69233 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-2026-69233 affect?

CVE-2026-69233 affects portal for arcgis. Severity is medium (CVSS 5.5). 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 bro

How urgent is CVE-2026-69233?

Priority 24/100. No elevated risk signals yet.

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

← Back to latest CVEs