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CVE-2026-120868

CVE-2026-120868

waiting for further signalsZero needs more public information before it can validate it.
no check availablenot proven exploitable
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.
Citrix NetScaler ADC < 14.1-73.57; < 13.1-64.39; >= 0, < 14.1-73.58 FIPS; >= 0, < 13.1-37.293 FIPs and NDcPP
fixed in 14.1-73.57, 13.1-64.39, 14.1-73.58 FIPS, 13.1-37.293 FIPs and NDcPP
ETK-2026-4332Zero's internal tracking ID, independent of the CVE number., permanent identifier
cvss9.3cna vendorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
3h 53msince last run
8mAI analysisAnalysis: how long the AI spent reversing this signal.
timeline
0 = trigger signal
trigger signal (cve.org) +0hwaiting for further signals+0h18m
+2h
+4h
+6h
+8h
+10h
+12h

description

NetScaler ADC and NetScaler Gateway contain a memory-overflow flaw in packet processing. An attacker may cause erroneous behavior or denial of service; the available evidence does not establish a required authentication state or other precondition.

mitigation

Upgrade NetScaler ADC to 14.1-73.57 or 13.1-64.39, or use 14.1-73.58 FIPS or 13.1-37.293 FIPS/NDcPP for those variants. Upgrade NetScaler Gateway to 14.1-73.57 or 13.1-64.39.

fixed in 14.1-73.57, 13.1-64.39, 14.1-73.58 FIPS, 13.1-37.293 FIPs and NDcPP

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.
no
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
–
agent run time
8m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-11-12 23:39Z
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, not validated: no deterministic check could cover this one, and no technique passed our review.

source signals

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

  1. 2026-11-12 23:39Z
    cve_org: trigger signal, started the run
    https://www.cve.org/CVERecord?id=CVE-2026-120868

this entry in the feed

GET /api/v1/feed/CVE-2026-120868

{
  "etk_id": "ETK-2026-4332",
  "cve_id": "CVE-2026-120868",
  "display_id": "CVE-2026-120868",
  "ghsa_id": null,
  "euvd_id": null,
  "status": "published",
  "anchor_state": "anchored",
  "title": "Packet-processing memory overflow in NetScaler ADC and Gateway",
  "summary": "NetScaler ADC and NetScaler Gateway contain a memory-overflow flaw in packet processing. An attacker may cause erroneous behavior or denial of service; the available evidence does not establish a required authentication state or other precondition.",
  "mitigation": "Upgrade NetScaler ADC to 14.1-73.57 or 13.1-64.39, or use 14.1-73.58 FIPS or 13.1-37.293 FIPS/NDcPP for those variants. Upgrade NetScaler Gateway to 14.1-73.57 or 13.1-64.39.",
  "vendor": "Citrix NetScaler",
  "product": "ADC",
  "affected": [
    {
      "affected_notes": [
        ">= 0, < 14.1-73.58 FIPS",
        ">= 0, < 13.1-37.293 FIPs and NDcPP"
      ],
      "affected_ranges": [
        ">= 0, < 14.1-73.57",
        ">= 0, < 13.1-64.39"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "14.1-73.57",
        "13.1-64.39",
        "14.1-73.58 FIPS",
        "13.1-37.293 FIPs and NDcPP"
      ],
      "package_name": "ADC",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 14.1-73.57",
        ">= 0, < 13.1-64.39"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "14.1-73.57",
        "13.1-64.39"
      ],
      "package_name": "Gateway",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 9.3,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 8.117958883333333,
  "t0_at": "2026-11-12T23:39:03.969000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-12T23:39:03.969000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-12T23:39:03.969000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-120868"
    }
  }
}

published 2026-11-12 23:49Z
last change 2026-11-12 23:57Z

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