CVE-2026-57155

validatedZero produced an exploit or a check.

GHSA-wjqq-rfmm-v5h3 ↗EUVD-2026-102114 ↗

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).−91dkevAttacks confirmed in the real world.
opnsense core <= 26.1.10; <= 26.4.1
fixed in 26.1.11, 26.4.1p1
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
ETK-2026-1690Zero's internal tracking ID, independent of the CVE number., permanent identifier
+2h05mTTV
53mAI analysisAnalysis: how long the AI spent reversing this signal.
Check if you are vulnerable
timeline
0 = trigger signal
public poc−3.0motrigger signal (cve.org) +0mocheck available+0.0moagent stopped
−2mo
−1mo

description

OPNsense core's GeoIP alias importer is affected by a path traversal flaw when processing GeoIP archive data. An attacker who has Firewall Alias Edit permission and can control a configured GeoIP source may write files as root outside the expected location, potentially leading to command execution on the firewall.

mitigation

Upgrade unnamed to 26.1.11, 26.4.1p1 or later.

fixed in 26.1.11, 26.4.1p1

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.
contextual
auth requiredWhether an attacker needs an account first, based on the CVSS vector's Privileges Required.
yes, low privileges
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
0.86%57th percentile
agent run time
53m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-10-15 15:13Z
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
−91d
Δ to kevAttacks confirmed in the real world.
–

outcome

Contextual check: a technique exists and was validated, 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 15:13Z
    cve_org: trigger signal, started the run
  2. 2026-10-15 15:59Z

this entry in the feed

GET /api/v1/feed/CVE-2026-57155

{
  "etk_id": "ETK-2026-1690",
  "cve_id": "CVE-2026-57155",
  "display_id": "CVE-2026-57155",
  "ghsa_id": "GHSA-wjqq-rfmm-v5h3",
  "euvd_id": "EUVD-2026-102114",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Path traversal in OPNsense GeoIP alias importer",
  "summary": "OPNsense core's GeoIP alias importer is affected by a path traversal flaw when processing GeoIP archive data. An attacker who has Firewall Alias Edit permission and can control a configured GeoIP source may write files as root outside the expected location, potentially leading to command execution on the firewall.",
  "mitigation": "Upgrade unnamed to 26.1.11, 26.4.1p1 or later.",
  "vendor": "opnsense",
  "product": "core",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 26.1.10",
        "<= 26.4.1"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "26.1.11",
        "26.4.1p1"
      ],
      "package_name": null,
      "purl": null
    }
  ],
  "cwes": [
    22
  ],
  "cvss_score": 9.9,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
  "epss_score": 0.0086,
  "epss_percentile": 0.578,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "assessed",
  "exploit": false,
  "pipeline_minutes": 53.28515063333333,
  "t0_at": "2026-10-15T15:13:12.343000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-15T17:18:37.899211+00:00",
      "days": 0.08710134503472222,
      "is_lower_bound": false,
      "measured_at": "2026-10-15T15:13:12.343000+00:00",
      "url": null
    },
    "public_poc": {
      "at": "2026-07-16T06:04:15+00:00",
      "days": -91.38121924768518,
      "is_lower_bound": false,
      "measured_at": "2026-10-15T15:13:12.343000+00:00",
      "url": "https://github.com/babyshen/CVE-2026-57155"
    },
    "trigger_signal": {
      "at": "2026-10-15T15:13:12.343000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-15T15:13:12.343000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-57155"
    }
  }
}

published 2026-10-15 15:54Z
last change 2026-10-21 15:29Z

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