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CVE-2026-111636

CVE-2026-111636

validatedZero produced an exploit or a check.

EUVD-2026-103058 ↗

check availableZero validated a working check for it.proven exploitableZero has validated a full working exploit.
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.
OpenBMB StaffDeck <= 0.5.6
CWE-321 Use of Hard-coded Cryptographic Key
ETK-2026-1802Zero's internal tracking ID, independent of the CVE number., permanent identifier
cvss9.2cna vendorCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
+1h48mTTV
28mAI analysisAnalysis: how long the AI spent reversing this signal.
Check if you are vulnerable
timeline
0 = cve.org publication
trigger signal (cve.org) +0hcheck + exploit+1h48m
0
+1h
+2h

description

StaffDeck 0.5.6 and earlier are affected by an authentication bypass tied to a built-in application secret. An unauthenticated remote attacker may obtain administrator access to the demo tenant and reach credentials stored there when the default secret and seeded demo account are present.

mitigation

Rotate the StaffDeck application secret and remove or disable the seeded demo tenant and administrator account where present. Restrict StaffDeck access to trusted administrators until a vendor-maintained update is available.

check
available
exploit
yes
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.
0.40%33rd percentile
agent run time
28m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-10-16 17:39Z
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

Differential: the exploit fired on the vulnerable build and stayed silent on the patched one.

source signals

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

  1. 2026-10-16 17:39Z
    cve_org: trigger signal, started the run
    https://www.cve.org/CVERecord?id=CVE-2026-111636

this entry in the feed

GET /api/v1/feed/CVE-2026-111636

{
  "etk_id": "ETK-2026-1802",
  "cve_id": "CVE-2026-111636",
  "display_id": "CVE-2026-111636",
  "ghsa_id": null,
  "euvd_id": "EUVD-2026-103058",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Hard-coded secret authentication bypass in StaffDeck",
  "summary": "StaffDeck 0.5.6 and earlier are affected by an authentication bypass tied to a built-in application secret. An unauthenticated remote attacker may obtain administrator access to the demo tenant and reach credentials stored there when the default secret and seeded demo account are present.",
  "mitigation": "Rotate the StaffDeck application secret and remove or disable the seeded demo tenant and administrator account where present. Restrict StaffDeck access to trusted administrators until a vendor-maintained update is available.",
  "vendor": "OpenBMB",
  "product": "StaffDeck",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 0.5.6"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "StaffDeck",
      "purl": null
    }
  ],
  "cwes": [
    321
  ],
  "cvss_score": 9.2,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
  "epss_score": 0.004,
  "epss_percentile": 0.3303,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": true,
  "pipeline_minutes": 27.9333957,
  "t0_at": "2026-10-16T17:39:08.257000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-16T19:27:31.786198+00:00",
      "days": 0.07527232868055556,
      "is_lower_bound": false,
      "measured_at": "2026-10-16T17:39:08.257000+00:00",
      "url": null
    },
    "exploit": {
      "at": "2026-10-16T19:27:31.786198+00:00",
      "days": 0.07527232868055556,
      "is_lower_bound": false,
      "measured_at": "2026-10-16T17:39:08.257000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-16T17:39:08.257000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-16T17:39:08.257000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-111636"
    }
  }
}

published 2026-10-16 18:59Z
last change 2026-10-21 13:29Z

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