CVE-2026-8208
LFI-to-RCE in Gibbon (< v30.0.01) via ZIP-as-PHP; requires teacher+ privileges.
Is CVE-2026-8208 being exploited?
Not confirmed. CVE-2026-8208 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.32% probability of exploitation in the next 30 days.
How severe is CVE-2026-8208?
CVE-2026-8208 is rated High with a CVSS score of 8.9. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-8208?
Yes. A fix has been recorded for CVE-2026-8208. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-8208 affect?
CVE-2026-8208 affects Gibbon LMS < v30.0.01. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-8208?
Upgrade to v30.0.01+; enforce least privileges; audit ZIP handling.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
LFI leads to RCE on the web server via crafted ZIP; attacker must be teacher+; could result in full server compromise.
Patch when possible
- affected< 30.0.01
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.