FKIE_CVE-2026-30368

Vulnerability from fkie_nvd - Published: 2026-04-24 16:16 - Updated: 2026-09-08 19:17
Severity
5.4 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Summary
A client-side authorization flaw in Lightspeed Systems Classroom v5.1.2.1763770643 allows unauthenticated attackers to impersonate users by bypassing integrity checks and abusing client-generated authorization tokens, leading to unauthorized control and monitoring of student devices.
References
cve@mitre.orghttps://tasty-hovercraft-9b9.notion.site/Enabling-Unauthorized-Remote-Control-of-Student-Devices-with-Lightspeed-Classroom-2ec5157f5b4a800c9eefc5526479820a
cve@mitre.orghttps://truekas.dev/blog/lightspeed
cve@mitre.orghttps://www.incognitotgt.me/blog/lightspeed
cve@mitre.orghttps://www.lightspeedsystems.com/products/lightspeed-classroom-management/
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/truekas/ls-poc
134c704f-9b21-4f2e-91b3-4a467353bcc0https://tasty-hovercraft-9b9.notion.site/Enabling-Unauthorized-Remote-Control-of-Student-Devices-with-Lightspeed-Classroom-2ec5157f5b4a800c9eefc5526479820a
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "product": "Lightspeed Classroom",
          "vendor": "Lightspeed",
          "versions": [
            {
              "status": "affected",
              "version": "5.1.2.1763770643",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A client-side authorization flaw in Lightspeed Systems Classroom v5.1.2.1763770643 allows unauthenticated attackers to impersonate users by bypassing integrity checks and abusing client-generated authorization tokens, leading to unauthorized control and monitoring of student devices."
    }
  ],
  "id": "CVE-2026-30368",
  "lastModified": "2026-09-08T19:17:57.183",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 2.7,
        "source": "cve@mitre.org",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-30368",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-04-27T10:17:22.860099Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-04-24T16:16:34.993",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://tasty-hovercraft-9b9.notion.site/Enabling-Unauthorized-Remote-Control-of-Student-Devices-with-Lightspeed-Classroom-2ec5157f5b4a800c9eefc5526479820a"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://truekas.dev/blog/lightspeed"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.incognitotgt.me/blog/lightspeed"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.lightspeedsystems.com/products/lightspeed-classroom-management/"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://github.com/truekas/ls-poc"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://tasty-hovercraft-9b9.notion.site/Enabling-Unauthorized-Remote-Control-of-Student-Devices-with-Lightspeed-Classroom-2ec5157f5b4a800c9eefc5526479820a"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ],
      "source": "cve@mitre.org",
      "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.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.