CVE-2026-30368
A client-side authorization flaw in Lightspeed Systems Classroom v5.1.2.1763770643 allows unauthenticated attackers to impersonate users by bypassing...
- Published
- Apr 24, 2026
- Updated
- Sep 8, 2026
- Assigning CNA
- mitre
- Evidence observed
- Aug 25, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:NLow · next 30 days
- Percentile
- 29.0%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
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.
Sources
1- ls-pocPoC
Proof-of-concept exploit for CVE-2026-30368, demonstrating authentication bypass in Lightspeed Classroom to control student devices via Ably channel.
Responsible use
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