CVE-2026-30368
CVE-2026-30368 is a medium-severity vulnerability with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- EPSS exploit prediction: 0% (27th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-25567
- Weakness: CWE-863
- Published:
- Last modified:
Description
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 control and monitoring of student devices.
Frequently asked questions
- What is 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 control and monitoring of student devices.
- How severe is CVE-2026-30368?
- CVE-2026-30368 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2026-30368 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-30368?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-30368 have an EU (EUVD) identifier?
- Yes. CVE-2026-30368 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25567.
- When was CVE-2026-30368 published?
- CVE-2026-30368 was published on 2026-04-24 and last updated on 2026-06-17.
References
- https://tasty-hovercraft-9b9.notion.site/Enabling-Unauthorized-Remote-Control-of-Student-Devices-with-Lightspeed-Classroom-2ec5157f5b4a800c9eefc5526479820a
- https://www.incognitotgt.me/blog/lightspeed
- https://github.com/truekas/ls-poc
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