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CVE-2026-108515

CVE-2026-108515

waiting for further signalsZero needs more public information before it can validate it.
no check availablenot proven exploitable
awaiting cvepublic pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).kevAttacks confirmed in the real world.
Drupal core
ETK-2026-1989Zero's internal tracking ID, independent of the CVE number., permanent identifier
cvss4.0ethiack provisional
3d 00h 55msince last run
1h 06mAI analysisAnalysis: how long the AI spent reversing this signal.
timeline
0 = trigger signal
trigger signal +0dwaiting for further signals+3.0d
0
+2d
+4d
+6d

description

Drupal core's Link module is affected by a cross-site scripting issue involving Link fields. An attacker who can edit an affected field may cause script to execute in another user's browser when insufficiently sanitized content is rendered.

mitigation

Restrict permissions to edit affected Link fields to trusted users and review where those fields are rendered. Apply Drupal's vendor update when a fixed release is identified for the deployed branch.

check
no
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.
–
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
–
agent run time
1h 06m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
not published yet
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: an exploit technique exists, 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. 2026-10-15 12:07Z
  2. 2026-10-15 12:07Z
    Drupal Patches Critical Field UI Flaw With Unauthenticated RCE Path via Contributed Modules
    thehackernews · https://thehackernews.com/2026/10/drupal-patches-critical-core-rce-flaw.html

this entry in the feed

GET /api/v1/feed/CVE-2026-108515

{
  "etk_id": "ETK-2026-1989",
  "cve_id": "CVE-2026-108515",
  "display_id": "CVE-2026-108515",
  "ghsa_id": null,
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Cross-site scripting in Drupal core Link module",
  "summary": "Drupal core's Link module is affected by a cross-site scripting issue involving Link fields. An attacker who can edit an affected field may cause script to execute in another user's browser when insufficiently sanitized content is rendered.",
  "mitigation": "Restrict permissions to edit affected Link fields to trusted users and review where those fields are rendered. Apply Drupal's vendor update when a fixed release is identified for the deployed branch.",
  "vendor": "Drupal",
  "product": "Drupal core",
  "affected": [],
  "cwes": null,
  "cvss_score": 4,
  "cvss_src": "ethiack_provisional",
  "cvss_vector": null,
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 65.73918125,
  "t0_at": null,
  "signals": {
    "trigger_signal": {
      "at": "2026-10-15T12:07:20+00:00",
      "days": -6.0229605561574076,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T12:40:23.815558+00:00",
      "url": "https://thehackernews.com/2026/10/drupal-patches-critical-core-rce-flaw.html"
    }
  }
}

published 2026-10-18 15:53Z
last change 2026-10-21 12:24Z

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