PatchTheCVECVE-2026-63231: A post-authentication SQL injection vulnerability in Koollab LMS allowed an authenticated attacker to use an e
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Routine
HIGH 8.1
CVE-2026-63231 is a high-severity flaw (CVSS 8.1) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A post-authentication SQL injection vulnerability in Koollab LMS allowed an authenticated attacker to use an error-based SQL oracle via the face-to-face runs update endpoint to read the entire application database and obtain valid JWT tokens for account takeover.
Why this priority
- High severity
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 62%) |
| CISA exploited list | No |
| Weakness | CWE-89 |
| Published | 2026-07-29 |
| Last modified | 2026-10-23 |
Publisher (CNA): CSA
Timeline
- Published CVE record published
- Updated Record last modified
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Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.