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CVE-2026-106154

CVE-2026-106154

validatedZero produced an exploit or a check.

EUVD-2026-124560 ↗

check availableZero validated a working check for it.not proven exploitableZero has a detection check, but hasn't produced a full working exploit yet.
cve.orgpublic pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).kevAttacks confirmed in the real world.
Progress Software Telerik UI for ASP.NET Core >= 2015.1.318, <= 2026.3.1015
CWE-674 Uncontrolled Recursion
ETK-2026-4296Zero's internal tracking ID, independent of the CVE number., permanent identifier
cvss8.6cna vendorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
+56mTTV
16mAI analysisAnalysis: how long the AI spent reversing this signal.
Check if you are vulnerable
timeline
0 = trigger signal
trigger signal (cve.org) +0mcheck available+56magent stopped
0
+15min
+30min
+45min
+60min

description

Telerik UI for ASP.NET Core versions 2015.1.318 through 2026.3.1015 can mishandle excessively nested or oversized filter input during server-side request binding. An unauthenticated attacker may cause parsing failures or exhaust the server stack when a reachable endpoint accepts DataSourceRequest-bound requests without authentication.

mitigation

Upgrade Telerik UI for ASP.NET Core to version 2026.4.1111 or later. Require authentication for endpoints that accept DataSourceRequest-bound requests until the upgrade is complete.

check
available
exploit
no
automationDeterministic: a check that runs on its own, the same request on every target. Contextual: an agentic technique that needs to be applied per target, for bugs that depend on contextual flows.
contextual
auth requiredWhether an attacker needs an account first, based on the CVSS vector's Privileges Required.
no
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
–
agent run time
16m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-11-12 17:13Z
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
–
Δ to kevAttacks confirmed in the real world.
–

outcome

Contextual check: a technique exists and was validated, but no deterministic check could cover this one.

source signals

Public signals that triggered or updated the pipeline. These are inputs for the deltas above.

  1. 2026-11-12 17:13Z
    cve_org: trigger signal, started the run
    https://www.cve.org/CVERecord?id=CVE-2026-106154

this entry in the feed

GET /api/v1/feed/CVE-2026-106154

{
  "etk_id": "ETK-2026-4296",
  "cve_id": "CVE-2026-106154",
  "display_id": "CVE-2026-106154",
  "ghsa_id": null,
  "euvd_id": "EUVD-2026-124560",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Uncontrolled recursion in Telerik UI for ASP.NET Core",
  "summary": "Telerik UI for ASP.NET Core versions 2015.1.318 through 2026.3.1015 can mishandle excessively nested or oversized filter input during server-side request binding. An unauthenticated attacker may cause parsing failures or exhaust the server stack when a reachable endpoint accepts DataSourceRequest-bound requests without authentication.",
  "mitigation": "Upgrade Telerik UI for ASP.NET Core to version 2026.4.1111 or later. Require authentication for endpoints that accept DataSourceRequest-bound requests until the upgrade is complete.",
  "vendor": "Progress Software",
  "product": "Telerik UI for ASP.NET Core",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 2015.1.318, <= 2026.3.1015"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "Telerik UI for ASP.NET Core",
      "purl": null
    }
  ],
  "cwes": [
    674
  ],
  "cvss_score": 8.6,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "assessed",
  "exploit": false,
  "pipeline_minutes": 16.088344833333334,
  "t0_at": "2026-11-12T17:13:26.499000+00:00",
  "signals": {
    "check": {
      "at": "2026-11-12T18:09:45.746893+00:00",
      "days": 0.03911166542824074,
      "is_lower_bound": false,
      "measured_at": "2026-11-12T17:13:26.499000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-11-12T17:13:26.499000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-12T17:13:26.499000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-106154"
    }
  }
}

published 2026-11-12 17:53Z
last change 2026-11-13 02:51Z

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