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CVE-2026-86345

CVE-2026-86345

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

GHSA-c4v7-fhgq-r988 ↗EUVD-2026-91139 ↗

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.
Red Hat Directory Server 11
CWE-923 Improper Restriction of Communication Channel to Intended Endpoints
ETK-2026-292, permanent identifier
cvss9.0cna vendorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
19d 08h 59msince last run
57mAI analysisAnalysis: how long the AI spent reversing this signal.
timeline
0 = cve.org publication
trigger signal (cve.org) +0hwaiting for further signals+5h58m
0
+2h
+4h
+8h
+10h
+12h

description

389-ds-base, including the listed Red Hat Directory Server package streams, is affected during LDAP StartTLS negotiation. An on-path attacker may cause a client application to treat a failed bind as successful. The attacker must be able to intercept or modify traffic while the connection is upgrading to TLS.

mitigation

Restrict LDAP access to trusted network paths and prevent untrusted parties from intercepting or injecting traffic during StartTLS negotiation. No fixed version is recorded in the supplied advisory; monitor vendor updates and deploy a corrected 389-ds-base release when available.

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.
0.38%30th percentile
agent run time
57m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-10-01 23:27Z
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. 2026-10-01 23:27Z
    cve_org: trigger signal, started the run
    https://www.cve.org/CVERecord?id=CVE-2026-86345

this entry in the feed

GET /api/v1/feed/CVE-2026-86345

{
  "etk_id": "ETK-2026-292",
  "cve_id": "CVE-2026-86345",
  "display_id": "CVE-2026-86345",
  "ghsa_id": "GHSA-c4v7-fhgq-r988",
  "euvd_id": "EUVD-2026-91139",
  "status": "published",
  "anchor_state": "anchored",
  "title": "StartTLS message injection in 389 Directory Server",
  "summary": "389-ds-base, including the listed Red Hat Directory Server package streams, is affected during LDAP StartTLS negotiation. An on-path attacker may cause a client application to treat a failed bind as successful. The attacker must be able to intercept or modify traffic while the connection is upgrading to TLS.",
  "mitigation": "Restrict LDAP access to trusted network paths and prevent untrusted parties from intercepting or injecting traffic during StartTLS negotiation. No fixed version is recorded in the supplied advisory; monitor vendor updates and deploy a corrected 389-ds-base release when available.",
  "vendor": "Red Hat",
  "product": "Red Hat Directory Server 11",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "389-ds-base",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "redhat-ds:11/389-ds-base",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "redhat-ds:12/389-ds-base",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "389-ds:1.4/389-ds-base",
      "purl": null
    }
  ],
  "cwes": [
    923
  ],
  "cvss_score": 9,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
  "epss_score": 0.0038,
  "epss_percentile": 0.3078,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 56.515885733333334,
  "t0_at": "2026-10-01T23:27:47.752000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-01T23:27:47.752000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-01T23:27:47.752000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-86345"
    }
  }
}

published 2026-10-02 01:49Z
last change 2026-10-21 05:31Z

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