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VulnerabilityPublished

CVE-2026-63231: Three Learning Koollab LMS · SQL Injection

Affects Three Learning Koollab LMSSource CVE Database V5

0

Not known to be exploited · CVSS 8.1 High.

Data as of 27 Oct 2026, 05:11 UTC

CVSS 3.1 base score
8.1High
How severe the flaw is on the 0–10 CVSS scale.
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:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Jul 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
Three LearningKoollab LMSAffected
  • =5.3.2
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.

References

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