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    CVE-2026-13189

    In Progress® Telerik® UI for AJAX prior to v2026.2.708, insufficient validation of the language parameter in the spell check handler may allow an attacker to influence server-side file path resolution and trigger unintended server-side requests.

    Published:Jul 22, 2026
    Last Modified:Jul 28, 2026
    EPS:Jul 22, 2026
    EPSS Score:0.00335
    CVSS Score:7.5

    Affected Products

    Vendor
    Progress
    Product
    Telerik Ui For Asp.net Ajax

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-36 Absolute Path Traversal

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-597 Absolute Path Traversal

    Related CVEs

    CVE-2026-19219 (CVSS 8.1) — In Progress® Telerik® UI for AJAX prior to v2026.3.812, insufficient integrity protection of dialog request pa…
    CVE-2026-18672 (CVSS 7.5) — In Progress® Telerik® UI for AJAX prior to v2026.3.812, insufficient validation of client-supplied state in Ra…
    CVE-2026-14932 (CVSS 6.5) — In Progress® Telerik® UI for AJAX prior to v2026.2.708, the obsolete RadChart component's ChartImage.axd handl…
    CVE-2026-14865 (CVSS 5.3) — In Progress® Telerik® UI for AJAX prior to v2026.2.708, the internal LayoutBuilder control processes client-st…
    CVE-2026-13192 (CVSS 6.5) — In Progress® Telerik® UI for AJAX prior to v2026.2.708, insufficient validation of content submitted to the Ra…
    CVE-2026-13190 (CVSS 8.1) — In Progress® Telerik® UI for AJAX prior to v2026.2.708, a deserialization vulnerability in the persistence uti…
    CVE-2026-13188 (CVSS 5.9) — In Progress® Telerik® UI for AJAX prior to v2026.2.708, DialogHandler request parameters may be tampered with,…
    CVE-2026-13187 (CVSS 8.1) — In Progress® Telerik® UI for AJAX prior to v2026.2.708, DialogHandler provider type input may be tampered with…
    CVE-2026-13186 (CVSS 8.1) — In Progress® Telerik® UI for AJAX prior to v2026.2.708, a path traversal vulnerability in the file-based persi…
    CVE-2026-13185 (CVSS 8.1) — In Progress® Telerik® UI for AJAX prior to v2026.2.708, applications using cookie-based storage in RadPersiste…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High