How severe is CVE-2026-69228?

CVE-2026-69228 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-69228 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-69228?

CVE-2026-69228 primarily affects Esri Portal For Arcgis. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-69228?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-69228 published?

CVE-2026-69228 was published on 2026-08-21 and last updated on 2026-09-11.

CVE-2026-69228

CVE-2026-69228 is a medium-severity vulnerability in Esri Portal For Arcgis with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Esri Portal For Arcgis
Published: 2026-08-21
Last modified: 2026-09-11

Description

There is a missing authentication vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that may allow a remote, unauthenticated attacker to access a specific resource (not user content) that should only be accessible by authenticated users. Users working with ArcGIS Enterprise 11.1, 11.3, 11.5, or 12.0 are encouraged to patch. All users are advised to upgrade to the latest long-term support release.

Frequently asked questions

What is CVE-2026-69228?: There is a missing authentication vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that may allow a remote, unauthenticated attacker to access a specific resource (not user content) that should only be accessible by authenticated users. Users working with ArcGIS Enterprise 11.1, 11.3, 11.5, or 12.0 are encouraged to patch. All users are advised to upgrade to the latest long-term support release.
How severe is CVE-2026-69228?: CVE-2026-69228 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-69228 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-69228?: CVE-2026-69228 primarily affects Esri Portal For Arcgis. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-69228?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-69228 published?: CVE-2026-69228 was published on 2026-08-21 and last updated on 2026-09-11.

References

https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/august-2026-arcgis-security-bulletin

Affected products (21)

cpe:2.3:a:esri:portal_for_arcgis:*:*:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.1:-:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.1:security_2024_update1:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.1:security_2024_update2:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.1:security_2025_update1:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.1:security_2025_update2:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.1:security_2025_update3:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.1:security_2026_update2:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.2:*:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.3:-:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.3:security_2025_update1:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.3:security_2025_update2:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.3:security_2025_update3:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.3:security_2026_update2:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.4:*:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.5:-:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.5:security_2026_update1:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.5:security_2026_update2:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:12.0:-:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:12.0:security_2026_update1:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:12.0:security_2026_update2:*:*:*:*:*:*

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