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CVE-2026-105281

CVE-2026-105281

waiting for further signalsZero needs more public information before it can validate it.

GHSA-cg72-3fmm-q6mm ↗EUVD-2026-95780 ↗

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.
Grid Protection Alliance openPDC < 2.9.477; < 2.9.482; < 2.8.580; < 2.8.585
fixed in 2.9.477, 2.9.482, 2.8.580, 2.8.585
CWE-306 Missing Authentication for Critical Function
ETK-2026-1113Zero's internal tracking ID, independent of the CVE number., permanent identifier
cvss8.7cna vendorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
11d 03h 51msince last run
1h 35mAI analysisAnalysis: how long the AI spent reversing this signal.
timeline
0 = trigger signal
trigger signal (cve.org) +0hwaiting for further signals+11h08m
0
+2h
+4h
+6h
+8h
+10h
+12h

description

Affected openPDC deployments, including its Docker image, and openHistorian installations expose an internal data publisher that accepts unauthenticated connections in its default configuration. A network attacker who can reach that interface can obtain complete device and measurement topology information.

mitigation

Update openPDC and its Docker image to 2.9.477 or 2.9.482, and update openHistorian to 2.8.580 or 2.8.585. Restrict network access to the internal data publisher until updates are deployed.

fixed in 2.9.477, 2.9.482, 2.8.580, 2.8.585

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.
–
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.
0.31%22nd percentile
agent run time
1h 35m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-10-09 13:49Z
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

No artifact: an exploit or check was attempted but could not be produced at this moment.

source signals

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

  1. 2026-10-09 13:49Z
    cve_org: trigger signal, started the run
    https://www.cve.org/CVERecord?id=CVE-2026-105281

this entry in the feed

GET /api/v1/feed/CVE-2026-105281

{
  "etk_id": "ETK-2026-1113",
  "cve_id": "CVE-2026-105281",
  "display_id": "CVE-2026-105281",
  "ghsa_id": "GHSA-cg72-3fmm-q6mm",
  "euvd_id": "EUVD-2026-95780",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unauthenticated data publisher access in openPDC",
  "summary": "Affected openPDC deployments, including its Docker image, and openHistorian installations expose an internal data publisher that accepts unauthenticated connections in its default configuration. A network attacker who can reach that interface can obtain complete device and measurement topology information.",
  "mitigation": "Update openPDC and its Docker image to 2.9.477 or 2.9.482, and update openHistorian to 2.8.580 or 2.8.585. Restrict network access to the internal data publisher until updates are deployed.",
  "vendor": "Grid Protection Alliance",
  "product": "openPDC",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 2.9.477",
        ">= 0, < 2.9.482"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "2.9.477",
        "2.9.482"
      ],
      "package_name": "openPDC",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 2.9.477",
        ">= 0, < 2.9.482"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "2.9.477",
        "2.9.482"
      ],
      "package_name": "openPDC (Docker image)",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 2.8.580",
        ">= 0, < 2.8.585"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "2.8.580",
        "2.8.585"
      ],
      "package_name": "openHistorian",
      "purl": null
    }
  ],
  "cwes": [
    306
  ],
  "cvss_score": 8.7,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
  "epss_score": 0.0031,
  "epss_percentile": 0.2271,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 94.99307048333333,
  "t0_at": "2026-10-09T13:49:06.352000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-09T13:49:06.352000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-09T13:49:06.352000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-105281"
    }
  }
}

published 2026-10-09 23:22Z
last change 2026-10-21 04:45Z

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