CVE-2026-30368

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 3.1

5.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

EPSS

0.4% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-26)

CWE

CWE-863

Published

2026-04-24

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

References

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

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