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A pre-authentication blind SQL injection vulnerability in Koollab LMS allowed an unauthenticated attacker to use a time-based SQL oracle via the SSO OAuth endpoint to read sensitive database contents…

Critical CVSS 9.1
CVECVE-2026-63229
First seen2026-07-29 08:15 UTC
Disclosed2026-07-29 07:16 UTC
Last updated2026-07-29 08:15 UTC
Channel statusauto

Summary

A pre-authentication blind SQL injection vulnerability in Koollab LMS allowed an unauthenticated attacker to use a time-based SQL oracle via the SSO OAuth endpoint to read sensitive database contents, including personally identifiable information, credentials, and valid JWT tokens that may enable account takeover.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Lint boundary warnings (1)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD