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5634 articles · 252578 vulns · 37/41 feeds (7d)
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6.1
CVE-2026-33520PATCHED
esri · arcgis server

BUG-000185167 - ArcGIS Server has a security vulnerability.

Description

There is a reflected cross site scripting vulnerability in Esri Portal for ArcGIS versions 12.1 and prior which may allow a remote, unauthenticated attacker to create a crafted link which when clicked could potentially execute arbitrary JavaScript code in the victim’s browser. A patch is provided for impacted ArcGIS Server software in General Availability and Extended support status, which includes versions 11.5. Other versions are in mature or retired status, which are not patch eligible. Users working with unlisted versions are advised to upgrade and apply the patch.

Affected Products

VendorProductVersions
esriarcgis server11.1

References

  • https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/october-2026-arcgis-security-bulletin

Related News (1 articles)

Tier C
VulDB21h ago
CVE-2026-33520 | Esri ArcGIS Server up to 12.0 cross site scripting
→ No new info (linked only)

Discussion (0)

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CVSS 3.16.1 MEDIUM
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CISA KEV❌ No
Actively exploited❌ No
Patch available
12.1
CWECWE-79
PublishedOct 26, 2026
Last enriched20h agov2
Trending Score21
Source articles1
Independent1
Info Completeness9/14
Missing: epss, kev, exploit, iocs, mitre_attack

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Related CVEs (5)

CRITICALCVE-2026-10757
BUG-000187511 - ArcGIS Server has a security vulnerability.
Trending: 42
HIGHCVE-2026-33521
BUG-000186514 - ArcGIS Server has a security vulnerability.
Trending: 34
MEDIUMCVE-2026-33522
BUG-000182936 - ArcGIS Server has a security vulnerability.
Trending: 31
MEDIUMCVE-2026-50095
BUG-000187165 - ArcGIS Server has a security vulnerability.
Trending: 21
MEDIUMCVE-2026-50096
BUG-000187164 - ArcGIS Server has a security vulnerability.
Trending: 21

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Oct 26, 2026
Discovered by ZDM
Oct 26, 2026
Updated: affectedVersions
Oct 26, 2026
Patch Available
Oct 26, 2026

Version History

v2
Last enriched 20h ago
v2Tier C20h ago

Extended affected versions to include 12.0 and clarified that patch availability status is unclear based on new article information.

affectedVersions
via VulDB
v120h ago

Initial creation