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CVE-2026-39949

CVE-2026-39949

validatedZero produced an exploit or a check.
check availableZero validated a working check for it.not proven exploitableZero has a detection check, but hasn't produced a full working exploit yet.
awaiting cvepublic pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).−2.0dkevAttacks confirmed in the real world.−7d
The Cacti Group Cacti
ETK-2026-1984Zero's internal tracking ID, independent of the CVE number., permanent identifier
−2.5dTTV
47mAI analysisAnalysis: how long the AI spent reversing this signal.
Check if you are vulnerable
timeline
0 = cve.org, not yet published
trigger signal −7.2dkev−7.0dcheck available−2.5dagent stoppedpublic poc−2.0d
−6d
−4d
0

description

Cacti versions before 1.2.31 may be affected by a vulnerability corrected in that release. The available evidence does not establish the affected function, attacker impact, or conditions required for exploitation.

mitigation

Upgrade Cacti to version 1.2.31 or later. Follow the Cacti project's vendor guidance for any deployment-specific remediation steps.

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.
–
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
–
agent run time
47m
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).
−2.0d
Δ to kevAttacks confirmed in the real world.
−7d

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. 2026-10-14
    vulncheck_kev: trigger signal, started the run
    https://vulncheck.com/cve/CVE-2026-39949
  2. 2026-10-14 00:00Z
  3. 2026-10-19 03:41Z

this entry in the feed

GET /api/v1/feed/CVE-2026-39949

{
  "etk_id": "ETK-2026-1984",
  "cve_id": "CVE-2026-39949",
  "display_id": "CVE-2026-39949",
  "ghsa_id": null,
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Cacti vulnerability addressed in version 1.2.31",
  "summary": "Cacti versions before 1.2.31 may be affected by a vulnerability corrected in that release. The available evidence does not establish the affected function, attacker impact, or conditions required for exploitation.",
  "mitigation": "Upgrade Cacti to version 1.2.31 or later. Follow the Cacti project's vendor guidance for any deployment-specific remediation steps.",
  "vendor": "The Cacti Group",
  "product": "Cacti",
  "affected": [],
  "cwes": null,
  "cvss_score": null,
  "cvss_src": null,
  "cvss_vector": null,
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 46.95828115,
  "t0_at": null,
  "signals": {
    "check": {
      "at": "2026-10-18T15:46:34.599778+00:00",
      "days": -2.5195265371064814,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T04:14:41.715231+00:00",
      "url": null
    },
    "kev": {
      "at": "2026-10-14T00:00:00+00:00",
      "days": -7.176871441944445,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T04:14:41.715231+00:00",
      "precision": "day",
      "url": "https://vulncheck.com/cve/CVE-2026-39949"
    },
    "public_poc": {
      "at": "2026-10-19T03:41:18.278692+00:00",
      "days": -2.023187660787037,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T04:14:41.715231+00:00",
      "url": "https://github.com/lukehebe/CVE-2026-39949"
    },
    "trigger_signal": {
      "at": "2026-10-14T00:00:00+00:00",
      "days": -7.176871441944445,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T04:14:41.715231+00:00",
      "url": "https://vulncheck.com/cve/CVE-2026-39949"
    }
  }
}

published 2026-10-18 14:59Z
last change 2026-10-21 03:57Z

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