CVE-2021-47756 json
Laravel Valet 2.0.3 - Local Privilege Escalation (macOS)
published 2026-01-15 9 mo ago modified 2026-08-14 2 mo ago also EUVD-2026-3040
- cvss
- 8.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 10%
- public exploits
- 0
- none known
Summary
Laravel Valet versions 1.1.4 to 2.0.3 contain a local privilege escalation vulnerability that allows users to modify the valet command with root privileges. Attackers can edit the symlinked valet command to execute arbitrary code with root permissions without additional authentication.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 9 mo ago
Exploit prediction
0.20% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- exploit-db.com https://www.exploit-db.com/exploits/50591 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.4 | CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 3.1 | 8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 8.4 | CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- Laravel Laravel Valet
Classification
- Weakness
-
- CWE-732 Incorrect Permission Assignment for Critical Resource
References
-
exploit-db.com
/exploits/50591
exploit
-
laravel.com
/docs/8.x/valet
product
-
vulncheck.com
/advisories/laravel-valet-local-privilege-escalation-macos
third-party-advisory
Sources
- CVE List CVE-2021-47756
- NVD CVE-2021-47756
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.