FKIE_CVE-2026-4256

Vulnerability from fkie_nvd - Published: 2026-07-09 14:16 - Updated: 2026-07-09 16:21
Severity
8.2 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Summary
Improper neutralization of special elements used in an LDAP query ('LDAP injection') vulnerability in PEAKUP Technology Inc. PassGate allows LDAP Injection. This issue affects PassGate: through 30042026.
References
iletisim@usom.gov.trhttps://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0523
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "PassGate",
          "vendor": "PEAKUP Technology Inc.",
          "versions": [
            {
              "lessThanOrEqual": "30042026",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "iletisim@usom.gov.tr"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper neutralization of special elements used in an LDAP query (\u0027LDAP injection\u0027) vulnerability in PEAKUP Technology Inc. PassGate allows LDAP Injection.\n\nThis issue affects PassGate: through 30042026."
    }
  ],
  "id": "CVE-2026-4256",
  "lastModified": "2026-07-09T16:21:30.600",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.2,
        "source": "iletisim@usom.gov.tr",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-4256",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-09T13:41:56.831228Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-09T14:16:32.640",
  "references": [
    {
      "source": "iletisim@usom.gov.tr",
      "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0523"
    }
  ],
  "sourceIdentifier": "iletisim@usom.gov.tr",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-90"
        }
      ],
      "source": "iletisim@usom.gov.tr",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.