CVE•Published 2026-04-21•Modified 2026-05-18•1 article on news•6 live references•NVD data
CVE-2026-33518Esri · Portal_for_arcgis
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
17
Exploit Prediction Scoring System · top 83% of all CVEs
Weaknesses (CWE)
Description
An incorrect privilege assignment vulnerability exists in Esri Portal for ArcGIS 11.5 in Windows and Linux that allows highly privileged users to create developer credentials that may grant more privileges than expected.
Timeline
Published 2026-04-21
Modified 2026-05-18
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-33518Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Esri Portal For Arcgis" version:"11.5"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Portal For Arcgis"HTTP body or banner mentions "Portal For Arcgis" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-33518Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-33518Censys host search filtered to this CVE id.
grep.app
CVE-2026-33518Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-33518GitHub code search for direct mentions.
Google dork
"CVE-2026-33518" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-33518 on GitHub.