Review finding 91e21c1f (MAJOR emitted, catalogue tier BLOCKER). Live in every
session regardless of the STORM flag.
The hard-block tier is the one thing no operator flag unlocks - not `strict`,
not `--soft`, not VOYAGE_QUERY_PRIVACY_ALLOW=1 - so a format it misses is a
secret leaving the machine in an outbound query with no second gate behind it.
Two patterns keyed on a run of consecutive alphanumerics, which a `-` or `_`
inside the token body breaks:
- /\bsk-[A-Za-z0-9]{20,}\b/ was commented "OpenAI/Anthropic-style" but the run
ends after `api03` (3 chars) in an Anthropic Console key, so
sk-ant-api03-<~95> passed through. Measured by execution, not read.
- /\bghp_[A-Za-z0-9]{36,}\b/ covered only the classic prefix: github_pat_<...>
and gho_<36> passed through; ghp_<36> was blocked.
Widened with one pattern per real-world format rather than one loose pattern,
so each stays readable and its length floor stays honest:
- sk-ant-<scheme>-<20+ base64url> (covers api03 and oat01)
- gh[pousr]_<36+> (classic PAT, OAuth, user, server, refresh)
- github_pat_<20+ incl. underscore> (fine-grained, real format is <22>_<59>)
Patterns whose body class includes `-`/`_` carry no trailing \b - it would not
fire on a non-word final character. The existing sk-/AKIA/xox/PEM patterns are
unchanged; the AWS comment is accurate as written, so it was left alone.
Formats verified against GitHub's token-format documentation and Anthropic key
anatomy before the patterns were written, not from memory:
- github.blog/engineering/platform-security/behind-githubs-new-authentication-token-formats/
- gh[pousr]_ + 36 chars; github_pat_ + <22>_<59> = 93 total
- sk-ant-api03- + ~95 base64url chars (base64url includes _ and -)
6 new tests: three table rows for the missed formats, and three that pin each
one blocked with `strict: false` AND the opt-in env var set at once - the
property that makes this tier meaningful.
Suite 952 (950/0/2, baseline 937 + 15 across both Track A fixes).
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013zNqxP8qTWgJhn3wMYUFEh
Kjell Tore Guttormsen
21a96b9e31