Individual skill
http2-specific-attacks
HTTP/2 protocol-specific attack playbook. Use when the target supports HTTP/2 and you need to exploit binary framing, HPACK compression, h2c upgrade smuggling, pseudo-header injection, stream multiplexing abuse, or H2→H1 downgrade translation flaws.
skills/http2-specific-attacks/SKILL.md
Source commit 6fbf0bc8d5c71830d62543a308d8744606c43d7c
What was checked
- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- No
- Repository scan complete
- No
- Skill scan complete
- No
- Observed behavior
- Not checked yet
- Last checked
- Nov 2, 2026
These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.
Install this skill
Choose an agent in your Stack or copy a command below. Commands fetch the pinned commit and copy only this skill directory. Existing destinations are refused. Copying a command does not install anything.
An install command is unavailable: current rules, complete repository and skill scans, an eligible behavior level and a permitted license are required.
Repository context
- Repository stars (not skill ratings)
- 2,633
- Repository last updated
- Sep 13, 2026
- License
- MIT
Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.
- engineering Derived category
Files and excerpt
File metadata and permitted, redacted excerpts come from the recorded scan. Source links are pinned to that commit.
Browse files
Read excerpt
# SKILL: HTTP/2 Specific Attacks — Expert Attack Playbook
> **AI LOAD INSTRUCTION**: HTTP/2 protocol-level attack techniques beyond basic request smuggling. Covers h2c smuggling, pseudo-header manipulation, HPACK attacks, single-packet race conditions, and H2→H1 downgrade injection. Base models conflate HTTP/2 smuggling with HTTP/1.1 smuggling — this skill focuses on H2-unique attack surface.
## 0. RELATED ROUTING
- [request-smuggling](../request-smuggling/SKILL.md) — CL.TE/TE.CL/TE.TE fundamentals and H2.CL/H2.TE variants
- [request-smuggling/H2_SMUGGLING_VARIANTS.md](../request-smuggling/H2_SMUGGLING_VARIANTS.md) — byte-level H2.CL/H2.TE payloads, CL.0, client-side desync
- [race-condition](../race-condition/SKILL.md) — single-packet attack leverages H2 multiplexing for race conditions
- [web-cache-deception](../web-cache-deception/SKILL.md) — cache poisoning via H2 smuggled responses
---
## 1. HTTP/2 ATTACK SURFACE OVERVIEW