CVE-2026-63240Disclosure

LOWCVSS 4.3 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

An information disclosure vulnerability in Koollab LMS allowed an authenticated learner to obtain correct quiz answers from the course status endpoint without completing the assessment legitimately, compromising the integrity of assessments.

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0.0/ 10 priority

Sources & remediation

Other references

https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/

Weakness type (CWE)

CWE-200

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets2 URLs

By indicator

Full discourse1 post

Vulmon Vulnerability Feed@VulmonFeeds92d
Disclosure
CVE-2026-63240 Information Disclosure Vulnerability in Koollab LMS Quiz ... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-63240 Don't wait vulnerability scanning results: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=2
Post summary
A newly identified information disclosure vulnerability (CVE-2026-63240) in Koollab LMS Quiz has been publicly listed and is linked to a Vulmon advisory.
0000073
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