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CVE-2026-102031

CVE-2026-102031

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

GHSA-m9jc-rg9m-5x3v ↗EUVD-2026-101356 ↗

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.
Juniper Networks Junos OS Evolved < 23.2R2-S7.7-EVO; >= 23.4, < 23.4R2-S8.11-EVO; >= 24.2, < 24.2R2-S5.6-EVO; >= 24.4, < 24.4R2-S5-EVO; >= 25.2, < 25.2R2-S2-EVO; >= 25.4, < 25.4R1-S3-EVO; >= 26.2, < 26.2R1-S2-EVO; 23.4X100; >= 25.2X100, < 25.2X100-D35-EVO; >= 25.4X300, < 25.4X300-D40-EVO
fixed in 23.2R2-S7.7-EVO, 23.4R2-S8.11-EVO, 24.2R2-S5.6-EVO, 24.4R2-S5-EVO, 25.2R2-S2-EVO, 25.4R1-S3-EVO, 26.2R1-S2-EVO, 25.2X100-D35-EVO, 25.4X300-D40-EVO
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
ETK-2026-1610Zero's internal tracking ID, independent of the CVE number., permanent identifier
cvss9.3cna vendorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M
4d 05h 38msince last run
23mAI analysisAnalysis: how long the AI spent reversing this signal.
timeline
0 = cve.org publication
trigger signal (cve.org) +0hwaiting for further signals+55h19m
0
+2h
+4h
+6h
+8h
+10h

description

Junos OS Evolved TACACS processing is affected by a command-injection flaw. A low-privileged TACACS+-authenticated user may obtain root-level command execution when periodic TACACS+ authorization refresh is enabled.

mitigation

Upgrade to the applicable fixed release: 23.2R2-S7.7-EVO, 23.4R2-S8.11-EVO, 24.2R2-S5.6-EVO, 24.4R2-S5-EVO, 25.2R2-S2-EVO, 25.4R1-S3-EVO, 26.2R1-S2-EVO, 25.2X100-D35-EVO, or 25.4X300-D40-EVO. Until upgraded, disable periodic TACACS+ authorization refresh where operationally feasible.

fixed in 23.2R2-S7.7-EVO, 23.4R2-S8.11-EVO, 24.2R2-S5.6-EVO, 24.4R2-S5-EVO, 25.2R2-S2-EVO, 25.4R1-S3-EVO, 26.2R1-S2-EVO, 25.2X100-D35-EVO, 25.4X300-D40-EVO

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.
contextual
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.
2.1%81st percentile
agent run time
23m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-10-14 16:49Z
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

Contextual: an exploit technique exists, 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. 2026-10-14 16:49Z
    cve_org: trigger signal, started the run
    https://www.cve.org/CVERecord?id=CVE-2026-102031

this entry in the feed

GET /api/v1/feed/CVE-2026-102031

{
  "etk_id": "ETK-2026-1610",
  "cve_id": "CVE-2026-102031",
  "display_id": "CVE-2026-102031",
  "ghsa_id": "GHSA-m9jc-rg9m-5x3v",
  "euvd_id": "EUVD-2026-101356",
  "status": "published",
  "anchor_state": "anchored",
  "title": "TACACS command injection in Junos OS Evolved",
  "summary": "Junos OS Evolved TACACS processing is affected by a command-injection flaw. A low-privileged TACACS+-authenticated user may obtain root-level command execution when periodic TACACS+ authorization refresh is enabled.",
  "mitigation": "Upgrade to the applicable fixed release: 23.2R2-S7.7-EVO, 23.4R2-S8.11-EVO, 24.2R2-S5.6-EVO, 24.4R2-S5-EVO, 25.2R2-S2-EVO, 25.4R1-S3-EVO, 26.2R1-S2-EVO, 25.2X100-D35-EVO, or 25.4X300-D40-EVO. Until upgraded, disable periodic TACACS+ authorization refresh where operationally feasible.",
  "vendor": "Juniper Networks",
  "product": "Junos OS Evolved",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 23.2R2-S7.7-EVO",
        ">= 23.4, < 23.4R2-S8.11-EVO",
        ">= 24.2, < 24.2R2-S5.6-EVO",
        ">= 24.4, < 24.4R2-S5-EVO",
        ">= 25.2, < 25.2R2-S2-EVO",
        ">= 25.4, < 25.4R1-S3-EVO",
        ">= 26.2, < 26.2R1-S2-EVO",
        "23.4X100",
        ">= 25.2X100, < 25.2X100-D35-EVO",
        ">= 25.4X300, < 25.4X300-D40-EVO"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "23.2R2-S7.7-EVO",
        "23.4R2-S8.11-EVO",
        "24.2R2-S5.6-EVO",
        "24.4R2-S5-EVO",
        "25.2R2-S2-EVO",
        "25.4R1-S3-EVO",
        "26.2R1-S2-EVO",
        "25.2X100-D35-EVO",
        "25.4X300-D40-EVO"
      ],
      "package_name": "Junos OS Evolved",
      "purl": null
    }
  ],
  "cwes": [
    78
  ],
  "cvss_score": 9.3,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M",
  "epss_score": 0.021,
  "epss_percentile": 0.8143,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 22.978852733333333,
  "t0_at": "2026-10-14T16:49:50.342000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-14T16:49:50.342000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-14T16:49:50.342000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-102031"
    }
  }
}

published 2026-10-14 22:52Z
last change 2026-10-21 04:45Z

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