CVE-2026-63231: Three Learning Koollab LMS · SQL Injection
Affects Three Learning Koollab LMSSource CVE Database V5
Not known to be exploited · CVSS 8.1 High.
Data as of 27 Oct 2026, 05:11 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 38% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 29 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Three LearningKoollab LMS | Affected
| Fixed in– |
AI-suggested
Until a fix is available, restrict access to the affected endpoint to trusted users only and monitor for suspicious activity involving JWT tokens. Consider additional application-layer protections such as input validation and parameterized queries if possible.
Description
CVE-2026-63231 is a high-severity post-authentication SQL injection vulnerability in Koollab LMS version 5.3.2. It allows an authenticated attacker to exploit an error-based SQL oracle via the face-to-face runs update endpoint. Successful exploitation can lead to reading the entire application database and obtaining valid JWT tokens, enabling account takeover.