What is CVE-2026-30368?

CVE-2026-30368 is a medium-severity vulnerability in Lightspeed Classroom, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2026-04-24.

How severe is CVE-2026-30368?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2026-30368 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Lightspeed Classroom

CVE-2026-30368

A client-side authorization flaw in Lightspeed Classroom v5.1.2.1763770643 allows unauthenticated attackers to impersonate users by bypassing integrity checks and abusing client-generated authorization tokens, leading to unauthorized contr…

Vulnerability class: Broken Access Control

EPSS: 0.000 (3.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Lightspeed Classroom — versions 5.1.2.1763770643

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

Public proof-of-concept exploits

truekas/ls-poc

References

Frequently asked questions

What is CVE-2026-30368?: CVE-2026-30368 is a medium-severity vulnerability in Lightspeed Classroom, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2026-04-24.
How severe is CVE-2026-30368?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2026-30368 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.