CVE-2021-47756
Privilege escalation in Laravel Valet via symlink to root.
Is CVE-2021-47756 being exploited?
Not confirmed. CVE-2021-47756 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 0.21% probability of exploitation in the next 30 days.
How severe is CVE-2021-47756?
CVE-2021-47756 is rated High with a CVSS score of 8.4. 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-2021-47756?
Yes. A fix has been recorded for CVE-2021-47756. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2021-47756 affect?
CVE-2021-47756 affects Laravel Valet 1.1.4–2.0.3. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2021-47756?
Upgrade Valet to latest version.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Local privilege escalation: user can modify symlinked valet to execute code as root with no extra auth.
Patch when possible
- affected1.1.4 to 2.0.3
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.