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CVE-2026-56662

CVE-2026-56662

validatedZero produced an exploit or a check.

GHSA-2rxv-4g4m-573w ↗EUVD-2026-91018 ↗

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).−87dkevAttacks confirmed in the real world.
GetSimpleCMS-CE <= 1.4
fixed in 1.5
CWE-352 Cross-Site Request Forgery (CSRF)
ETK-2026-288, permanent identifier
cvss9.6cna vendorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
+8h20mTTV
30mAI analysisAnalysis: how long the AI spent reversing this signal.
Check if you are vulnerable
timeline
0 = cve.org publication
public poc−2.9motrigger signal (cve.org) +0mocheck available+0.0moagent stopped
−2mo
−1mo

description

GetSimpleCMS-CE UpdateCE versions before 1.5 do not protect the update form against cross-site request forgery. An attacker can cause an authenticated administrator who visits a malicious page to initiate an attacker-directed update deployment, potentially resulting in code execution.

mitigation

Upgrade the UpdateCE package to version 1.5. Until upgrading, restrict access to administrative update functions and prevent administrators from using them while signed in from untrusted browsing contexts.

fixed in 1.5

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.
deterministic
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.
0.22%11th percentile
agent run time
30m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-10-01 19:38Z
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
−87d
Δ to kevAttacks confirmed in the real world.
–

outcome

Check only, differential: the check fires on the vulnerable build and is silent on the patched one.

source signals

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

  1. 2026-07-06 16:02Z
  2. 2026-10-01 19:38Z
    cve_org: trigger signal, started the run
    https://www.cve.org/CVERecord?id=CVE-2026-56662

this entry in the feed

GET /api/v1/feed/CVE-2026-56662

{
  "etk_id": "ETK-2026-288",
  "cve_id": "CVE-2026-56662",
  "display_id": "CVE-2026-56662",
  "ghsa_id": "GHSA-2rxv-4g4m-573w",
  "euvd_id": "EUVD-2026-91018",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Cross-site request forgery in GetSimpleCMS-CE UpdateCE",
  "summary": "GetSimpleCMS-CE UpdateCE versions before 1.5 do not protect the update form against cross-site request forgery. An attacker can cause an authenticated administrator who visits a malicious page to initiate an attacker-directed update deployment, potentially resulting in code execution.",
  "mitigation": "Upgrade the UpdateCE package to version 1.5. Until upgrading, restrict access to administrative update functions and prevent administrators from using them while signed in from untrusted browsing contexts.",
  "vendor": "GetSimpleCMS-CE",
  "product": "GetSimpleCMS-CE",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 1.4"
      ],
      "ecosystem": "php",
      "fixed_versions": [
        "1.5"
      ],
      "package_name": "UpdateCE",
      "purl": null
    }
  ],
  "cwes": [
    352
  ],
  "cvss_score": 9.6,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
  "epss_score": 0.0022,
  "epss_percentile": 0.1128,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 29.956317183333333,
  "t0_at": "2026-10-01T19:38:30.623000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-02T03:58:49.949668+00:00",
      "days": 0.34744591050925927,
      "is_lower_bound": false,
      "measured_at": "2026-10-01T19:38:30.623000+00:00",
      "url": null
    },
    "public_poc": {
      "at": "2026-07-06T16:02:12+00:00",
      "days": -87.15021554398149,
      "is_lower_bound": false,
      "measured_at": "2026-10-01T19:38:30.623000+00:00",
      "url": "https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-2rxv-4g4m-573w"
    },
    "trigger_signal": {
      "at": "2026-10-01T19:38:30.623000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-01T19:38:30.623000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-56662"
    }
  }
}

published 2026-10-01 23:13Z
last change 2026-10-21 07:03Z

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