CVE-2026-30368 Auth bypass in Lightspeed Classroom
Unauthenticated attackers can bypass client-side authorization to impersonate users and control student devices in Lightspeed Classroom.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-30368?
CVE-2026-30368 is a medium-severity authentication bypass vulnerability in Lightspeed Classroom, published on 24 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-863
Which versions are affected by CVE-2026-30368?
How do I fix CVE-2026-30368?
No fix has been published for CVE-2026-30368 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-30368 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-30368 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-fv9m-8cwh-9rgj.