certbot

Install command:
brew install certbot

Tool to obtain certs from Let's Encrypt and autoenable HTTPS

https://certbot.eff.org/

License: Apache-2.0

Development: Pull requests

Formula JSON API: /api/formula/certbot.json

Formula code: certbot.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon
golden gate ✅
tahoe ✅
sequoia ✅
Linux ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 5.8.0
head ⚡️ HEAD

Revision: 1

Depends on:

augeas 1.15.0 Configuration editing tool and API
certifi 2026.7.22 Mozilla CA bundle for Python
cryptography 50.0.2 Cryptographic recipes and primitives for Python
libyaml 0.2.5 YAML Parser
pydantic 2.13.5 Data validation using Python type hints
python@3.14 3.14.8 Interpreted, interactive, object-oriented programming language

Uses from macOS: libffi

Binaries: certbot

Known vulnerabilities in the current version:

GHSA-8988-9cw3-xx77 urllib3: HTTPS proxy TLS configuration may be ignored or overridden
GHSA-gh4c-6fx4-qh6g urllib3: Chunked Deflate streaming can enter an infinite loop
GHSA-vxq7-64xx-v4gw urllib3: HTTPResponse.stream()/read_chunked() buffers an unbounded chunk-size line into memory

Data from Homebrew/advisory-database. Run brew vulns certbot for a live check.

Analytics:

30 days90 days365 days
Installs1,2205,37739,121
Installs (--HEAD)1672
Installs on Request1,2175,37739,112
Installs on Request (--HEAD)1672
Build Errors0