forbidden

Install command:
brew install forbidden

Bypass 4xx HTTP response status codes and more

https://github.com/ivan-sincek/forbidden

License: MIT

Development: Pull requests

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

Formula code: forbidden.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 ✅ 13.4
head ⚡️ HEAD

Revision: 8

Depends on:

certifi 2026.7.22 Mozilla CA bundle for Python
cffi 2.1.1 C Foreign Function Interface for Python
cryptography 50.0.1 Cryptographic recipes and primitives for Python
curl 8.22.0 Get a file from an HTTP, HTTPS or FTP server
openssl@3 3.6.5 Cryptography and SSL/TLS Toolkit
pycparser 3.0 C parser in Python
python@3.14 3.14.7 Interpreted, interactive, object-oriented programming language

Binaries: forbidden, stresser

Known vulnerabilities in the current version:

GHSA-2gx3-rcp4-g85q (medium) PyJWT: PyJWKClient still amplifies unauthenticated JWKS fetches on unknown kid values (incomplete...
GHSA-8wjv-2p76-3863 (medium) PyJWT: Uncaught RecursionError in jwt.decode() on deeply nested token header
GHSA-9j54-fg26-wv3r (high) PyJWT: PyJWK accepts empty HMAC keys, bypassing PyJWT's empty-key validation
GHSA-9v7f-9g4p-ffgj (high) PyJWT: PyJWKClient follows redirects when fetching JWKS
GHSA-ffc3-869f-jxw9 (critical) PyJWT: Asymmetric-PEM detection bypass: whitespace/line-ending-mutated public keys skip the HS/as...
GHSA-hxm8-2xgr-2p9m (medium) PyJWT: Non-canonical signature segments enable raw-token revocation bypass
GHSA-p4g4-x82p-q773 (high) PyJWT: Public keys in DER form are accepted as HMAC secrets, bypassing the CVE-2022-29217 guard
GHSA-r6x4-923q-g947 (high) PyJWT BOM Bypass
GHSA-w2cx-738m-mc7w (high) PyJWT accepts public JWK containers as HMAC secrets
GHSA-w6j9-cwv2-h6wq (medium) PyJWT: Malformed RSA JWK aborts parsing of an entire JWK Set

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

Analytics:

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Installs549374
Installs on Request549374
Build Errors0