Alexandre Teixeira 11ad4e2739 fix(url-safety): resolve NAT64 well-known prefix to IPv4 target
The R09 scholarly hardening routes every hop through check_outbound_url with
block_private=True. On a DNS64/NAT64 network, an IPv4-only host can resolve
through the RFC 6052 Well-Known Prefix. For example, export.arxiv.org resolved
to 64:ff9b::924b:5b2a in the reproduced environment.

CPython classifies that outer IPv6 prefix as reserved, so the URL guard rejected
the request before examining the effective IPv4 destination.

Decode addresses in exactly 64:ff9b::/96 to their embedded IPv4 destination and
evaluate that destination under the strict outbound policy.

The translated target is always checked with private-address blocking enabled.
This prevents the NAT64 prefix from becoming a path to loopback, private,
shared/CGNAT, link-local, multicast, unspecified, or other non-global IPv4
space.

Network-specific translation prefixes are not decoded. In particular,
64:ff9b:1::/48 remains subject to the existing IPv6 policy.

Coverage includes:

- public IPv4 destinations embedded through the RFC 6052 prefix
- loopback, link-local, private, CGNAT, multicast, unspecified, benchmark, and
  TEST-NET rejection
- network-specific NAT64 prefixes remaining undecoded
- deterministic scholarly provider tests without live DNS dependence
- redirect query parameter isolation
- relative redirect resolution
- HTTP error fallback behavior
- editor draft GET and DELETE behavior remaining unaffected

R09, R11, and R01 were independently audited and otherwise left unchanged.
2026-09-23 15:32:04 +01:00
2026-09-11 06:04:19 +00:00
2026-09-11 06:04:19 +00:00
2026-05-31 23:58:26 +09:00
2026-07-23 14:49:02 +00:00

Odysseus

A self-hosted AI workspace for chat, agents, research, documents, email, notes, calendar, and local model workflows.

Quick Start · Setup Guide · Contributing · Roadmap

Packaging status

Odysseus interface


Quick Start

dev is the default branch and gets the newest changes first. Use main if you want the more curated branch.

git clone https://github.com/odysseus-dev/odysseus.git
cd odysseus
cp .env.example .env
docker compose up -d --build

Open http://localhost:7011 when the containers are healthy. The first admin password is printed in docker compose logs odysseus.

Native installs, GPU notes, Windows/macOS instructions, HTTPS, and configuration live in the setup guide.

Features

  • Chat + Agents — local/API models, tools, MCP, files, shell, skills, and memory.
  • Cookbook — hardware-aware model recommendations, downloads, and serving.
  • Deep Research — multi-step web research with source reading and report generation.
  • Compare — blind side-by-side model testing and synthesis.
  • Documents — writing-first editor with AI edits, suggestions, Markdown, HTML, CSV, and syntax highlighting.
  • Email — IMAP/SMTP inbox with triage, tags, summaries, reminders, and reply drafts.
  • Notes, Tasks + Calendar — reminders, todos, scheduled agent tasks, and CalDAV sync.
  • Extras — gallery/image editor, themes, uploads, web search, presets, sessions, and 2FA.

Demo

A full hover-to-play tour lives on the Odysseus landing page. Its source lives under website/.

Contributing

Help is welcome. The best entry points are fresh-install testing, provider setup bugs, mobile/editor polish, docs, and small focused refactors. See CONTRIBUTING.md and ROADMAP.md.

Security

Odysseus is a self-hosted workspace with powerful local tools. Keep auth enabled, keep private data out of Git, and do not expose raw model/service ports publicly.

  • Keep AUTH_ENABLED=true for any network-accessible deployment.
  • Keep LOCALHOST_BYPASS=false outside local development.

Deployment details are in the setup guide.

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License

AGPL-3.0-or-later -- see LICENSE and ACKNOWLEDGMENTS.md.

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