CVE-2026-30368 json
A client-side authorization flaw in Lightspeed Systems Classroom v5.1.2.1763770643 allows unauthenticated attackers to impersonate users by…
published 2026-04-24 6 mo ago modified 2026-10-26 13 d ago also EUVD-2026-25567
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 29%
- public exploits
- 0
- none known
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/truekas/ls-poc referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N |
Affected products
- Lightspeed Lightspeed Classroom
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
github.com
/truekas/ls-poc
exploit
-
tasty-hovercraft-9b9.notion.site
/Enabling-Unauthorized-Remote-Control-of-Student-Devices-with-Lightspeed-Classroom-2ec5157f5b4a800c9eefc552647
broken-link
- incognitotgt.me /blog/lightspeed
- truekas.dev /blog/lightspeed
- lightspeedsystems.com /products/lightspeed-classroom-management/
Sources
- CVE List CVE-2026-30368
- NVD CVE-2026-30368
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