CVE•Published 2026-04-22•Modified 2026-05-05•1 article on news•6 live references•NVD data
CVE-2026-6023Progress · Telerik_ui_for_asp.net_ajax
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
64
Exploit Prediction Scoring System · top 36% of all CVEs
Weaknesses (CWE)
Description
In Progress® Telerik® UI for AJAX versions 2024.4.1114 through 2026.1.421, the RadFilter control is vulnerable to insecure deserialization when restoring filter state if the state is exposed to the client. If an attacker tampers with this state, a server-side remote code execution is possible.
Timeline
Published 2026-04-22
Modified 2026-05-05
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-2026-6023Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Progress Telerik Ui For Asp.net Ajax"All exposed Progress Telerik Ui For Asp.net Ajax instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Telerik Ui For Asp.net Ajax"HTTP body or banner mentions "Telerik Ui For Asp.net Ajax" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-6023Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-6023Censys host search filtered to this CVE id.
grep.app
CVE-2026-6023Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-6023GitHub code search for direct mentions.
Google dork
"CVE-2026-6023" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-6023 on GitHub.