offensive-request-smuggling SKILL.md skillB
offensive-request-smuggling from miosa-osa/osa is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add miosa-osa/osa/offensive-request-smuggling@git:20260913.e13b6b8Pins git:20260913.e13b6b8 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- B, 16 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- miosa-osa/osa
- Path
priv/skills/offensive-request-smuggling/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260913.e13b6b8, committed Sep 13, 2026
- Size
- 22,934 bytes
- Repository stars
- 78
- License
- Apache-2.0
HTTP request smuggling checklist: CL.TE, TE.CL, TE.TE variants, detection with timing and differential responses, WAF bypass, cache poisoning, credential hijacking, and request smuggling via HTTP/2. Use when testing reverse proxy/load balancer configurations.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# SKILL: HTTP Request Smuggling ## Metadata - **Skill Name**: request-smuggling - **Folder**: offensive-request-smuggling - **Source**: https://github.com/SnailSploit/offensive-checklist/blob/main/req-smuggle.md ## Description HTTP request smuggling checklist: CL.TE, TE.CL, TE.TE variants, detection with timing and differential responses, WAF bypass, cache poisoning, credential hijacking, and request smuggling via HTTP/2. Use when testing reverse proxy/load balancer configurations. ## Trigger Phrases Use this skill when the conversation involves any of: `request smuggling, HTTP smuggling, CL.TE, TE.CL, TE.TE, HTTP/2 smuggling, cache poisoning, WAF bypass, differential response, smuggling detection, proxy desync` ## Full Methodology # HTTP Request Smuggling ## Mechanisms HTTP Request Smuggling is a vulnerability that occurs when front-end and back-end servers interpret HTTP requests differently, leading to a desynchronization in the HTTP request processing chain. This desynchronization allows attackers to "smuggle" requests to the back-end server, potentially bypassing security controls or manipulating how other users' requests are processed. ```mermaid graph TD …
Read the whole file at its exact version.
How to install
mdr add miosa-osa/osa/offensive-request-smuggling@sha256:b0d94d967ed0425bThe line at the top of this page pins the label git:20260913.e13b6b8, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_d2s7h4xjkuijsjpe)
6 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Sep 13, 2026.
Audit of the latest version
- fail: No script tag (matched: <script)
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (22934 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
Starting a new one? Use a template for SKILL.md on mdpantry, which passes every one of these checks and says what to change in it.
Source
miosa-osa/osa · 78 stars · license Apache-2.0 · pushed 2026-10-29 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_d2s7h4xjkuijsjpe GET https://markdownregistry.com/api/v1/resolve?ref=miosa-osa/osa/offensive-request-smuggling GET https://markdownregistry.com/api/v1/blob/b0d94d967ed0425bf93c86f9501594dc46052be3fc8043d538a4d20de799e02b
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.