Medium 5.4Published Apr 23, 2026

CVE-2026-30368A 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 aut…

Updated under an hour ago (Oct 26, 2026, 11:50 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Lightspeed Classroom

Exploited in the last 30 days

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.

CVSS: 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-863
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Deferred
Record last updated: Sep 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Lightspeed Lightspeed Classroom lightspeed:classroom (from the name)	5.1.2.1763770643	CNA record

References

References

https://tasty-hovercraft-9b9.notion.site/Enabling-Unauthorized-Remote-Control-of-Student-Devices-with-Lightspeed-Classroom-2ec5157f5b4a800c9eefc5526479820a
https://www.incognitotgt.me/blog/lightspeed
https://truekas.dev/blog/lightspeed
https://www.lightspeedsystems.com/products/lightspeed-classroom-management/
https://github.com/truekas/ls-poc

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.