FKIE_CVE-2026-3502

Vulnerability from fkie_nvd - Published: 2026-03-30 19:16 - Updated: 2026-04-03 11:40
Severity ?
7.8 (High) - CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L
Summary
TrueConf Client downloads application update code and applies it without performing verification. An attacker who is able to influence the update delivery path can substitute a tampered update payload. If the payload is executed or installed by the updater, this may result in arbitrary code execution in the context of the updating process or user.
References
cve@checkpoint.comhttps://trueconf.com/blog/update/trueconf-8-5Product, Release Notes
134c704f-9b21-4f2e-91b3-4a467353bcc0https://research.checkpoint.com/2026/operation-truechaos-0-day-exploitation-against-southeast-asian-government-targets/Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3502US Government Resource
Impacted products
Vendor Product Version
trueconf trueconf *
To clipboard 

{
  "cisaActionDue": "2026-04-16",
  "cisaExploitAdd": "2026-04-02",
  "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "TrueConf Client Download of Code Without Integrity Check Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:trueconf:trueconf:*:*:*:*:*:windows:*:*",
              "matchCriteriaId": "C61E9BE0-CED2-4518-933B-7538A4E8F890",
              "versionEndExcluding": "8.5.3.884",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "TrueConf Client downloads application update code and applies it without performing verification. An attacker who is able to influence the update delivery path can substitute a tampered update payload. If the payload is executed or installed by the updater, this may result in arbitrary code execution in the context of the updating process or user."
    },
    {
      "lang": "es",
      "value": "TrueConf Client descarga c\u00f3digo de actualizaci\u00f3n de la aplicaci\u00f3n y lo aplica sin realizar verificaci\u00f3n. Un atacante que es capaz de influir en la ruta de entrega de la actualizaci\u00f3n puede sustituir una carga \u00fatil de actualizaci\u00f3n manipulada. Si la carga \u00fatil es ejecutada o instalada por el actualizador, esto puede resultar en ejecuci\u00f3n de c\u00f3digo arbitrario en el contexto del proceso de actualizaci\u00f3n o del usuario."
    }
  ],
  "id": "CVE-2026-3502",
  "lastModified": "2026-04-03T11:40:57.390",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 6.0,
        "source": "cve@checkpoint.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-03-30T19:16:27.053",
  "references": [
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Product",
        "Release Notes"
      ],
      "url": "https://trueconf.com/blog/update/trueconf-8-5"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://research.checkpoint.com/2026/operation-truechaos-0-day-exploitation-against-southeast-asian-government-targets/"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3502"
    }
  ],
  "sourceIdentifier": "cve@checkpoint.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-494"
        }
      ],
      "source": "cve@checkpoint.com",
      "type": "Secondary"
    }
  ]
}


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