[M3gA-Mind]

Summary

Adds RUSTSEC-2026-0387 to deny.toml's [advisories] ignore list, with a comment and a reason, so module-ci / supply-chain passes again on main.

Problem

• RUSTSEC-2026-0387 (crypto-bigint: multiple timing-variability issues in operations meant to be constant-time) was published after main 921987c's last green supply-chain run (2026-10-23). cargo deny check advisories now fails on every PR, including chore(deps): bump tinybus 0.3.6, tinytools 0.6.0, tinystoragedrivers 2.1.1 #121 (the tinybus 0.3.6 bump).
• Path: crypto-bigint 0.5.5 <- elliptic-curve 0.13.8 <- k256 0.13.4 (also via ecdsa 0.16.9) <- coins-bip32 / coins-bip39 0.13.2 <- tinywallet.
• The fix is crypto-bigint >=0.7.6, which only the semver-major k256 0.14 / coins-bip3x line brings. cargo update -p crypto-bigint cannot reach it.

Solution

• One ignore entry with an explanatory comment and a reason (cargo-deny's { id, reason } form). It was accepted temporarily by user decision on 2026-10-26, so the tinybus 0.3.6 module releases can proceed.
• I make no claim about whether tinywallet's use of these operations is exposed. The entry only records that the fix is not reachable without the major upgrade.

Follow-up

• follow-up: upgrade k256/coins-bip3x chain, then remove this entry. Dependabot already has the bumps open: deps: bump k256 from 0.13.4 to 0.14.0 #50 (k256 0.14.0), deps: bump coins-bip32 from 0.13.2 to 0.16.0 #110 (coins-bip32 0.16.0), deps: bump coins-bip39 from 0.13.2 to 0.16.0 #111 (coins-bip39 0.16.0).

[tinysweeper]

Tiny Sweeper review

Reviewed head: b7d98e3ab4880936992d27fb62f01e7291c2c9a4

Verdict: Ready for maintainer review · Priority: none
Coverage: Reviewed 1 of 1 files.
Pull request purpose (title): chore(deny): ignore…

Diagnostics and supporting details

Full summary

Pull request purpose (title): chore(deny): ignore RUSTSEC-2026-0387 until the k256 chain is upgraded. Tiny Sweeper completed its review; deterministic results follow.

Review snapshot

Change surface	Files	Review signal	Count
Production	0	Active findings	0
Tests	0	Noted findings	0
Documentation	0	Resolved findings	0
Configuration	1	Pending checks/questions	0

Completeness: Complete
Test assessment: Test coverage is assessed from changed tests and lane evidence; execution is not claimed without trusted check data.

What changed

Only `deny.toml` changes: the empty `ignore = []` under `[advisories]` becomes a list holding one inline table with `id = "RUSTSEC-2026-0387"` and a `reason`, plus a comment describing the crypto-bigint 0.5.5 / k256 0.13.4 / coins-bip3x exposure, the required semver-major fix, and the condition for removing the entry. Licenses, bans, sources, and all code paths are unchanged.

Features

• Modified — Advisory ignore entry for RUSTSEC-2026-0387: Suppresses the cargo-deny advisory failure for RUSTSEC-2026-0387 so the supply-chain check passes on main and existing PRs. The suppression is scoped to a single advisory id and documented with a reason and removal plan, but the comment's stated version chain (coins-bip32/coins-bip39 0.13.2) may not match the repository's pinned coins-bip3x versions. (deny.toml, deny.toml all-features = true)

Tests

• configuration — Change is limited to deny.toml, a cargo-deny configuration file; no Rust code or runtime behavior is altered.: No test execution is claimed. (deny.toml)

Findings

No active actionable findings.

Before merge

None.

Agent review details

critique

• Conclusion: Success
• Scope reviewed: all assigned evidence
• Positive: The added ignore entry is structured as `cargo-deny` expects and follows the file's own instruction to add entries only with an explanatory comment and plan.
• Lane summary: The change adds one advisory ignore to deny.toml with a detailed reason comment, matching the file's own instruction to add entries only with an explanation. I could not verify the advisory identifier or the transitive version chain against a live advisory database, but nothing in the diff contradicts the surrounding policy. One detail worth confirming: the reason comment claims coins-bip32/coins-bip39 0.13.2, whereas the repository's Cargo.toml pins coins-bip32 0.17 and coins-bip39 0.17, so the version chain in the comment may not match what actually resolves. _The code index is behind this pull request (indexed at `433c412d243d`), so retrieved context may be out of date._

security

• Conclusion: Success
• Scope reviewed: all assigned evidence
• Positive: The ignore is narrowly scoped to one advisory id, is a denial-policy relaxation rather than a code path, and carries a documented reason and removal plan.
• Lane summary: This adds an advisory ignore for RUSTSEC-2026-0387 (crypto-bigint 0.5.5 via k256 0.13) with a documented reason and removal plan, matching the file's own instruction to add entries only with a comment explaining the exposure and the plan. The change is a denial-policy relaxation, not a code path; no attacker-controlled input or new sink is involved, and no repository rule is broken. No findings. _The code index is behind this pull request (indexed at `433c412d243d`), so retrieved context may be out of date._

tests

• Conclusion: Neutral
• Scope reviewed: all assigned evidence
• Lane summary: No behavioural change: nothing outside documentation, configuration and tests.

commits

• Conclusion: Success
• Scope reviewed: all assigned evidence
• Positive: Commits lane answered with no sensitive content found in committed files.
• Lane summary: No sensitive content in committed files. _The code index is behind this pull request (indexed at `433c412d243d`), so retrieved context may be out of date._

description

• Conclusion: Success
• Scope reviewed: all assigned evidence
• Positive: The diff adds a single deny.toml advisory ignore entry with a comment and reason, matching the description's statement of the solution and follow-up.
• Lane summary: The diff adds a single deny.toml advisory ignore entry with a comment and reason, which matches the description exactly; the description is accurate and complete for this change. There are no reportable defects. _The code index is behind this pull request (indexed at `433c412d243d`), so retrieved context may be out of date._

Evidence and run details

• Models: ladder/vectors-oai3, deepseek-v4.1-flash
• Spend: $0.000060
• Tokens: 40111 input · 1092 output · 10752 cached · 75 embedding
• Updated: 2026-10-26T09:42:13Z

Head	State	Pass summary
e30c17c7e7ad	ready for maintainer review	0 active finding(s), 0 resolved finding(s) (at 2026-10-26T08:20:41Z)
b7d98e3ab488	ready for maintainer review	0 active finding(s), 0 resolved finding(s) (at 2026-10-26T09:42:13Z)

[coderabbitai]

Important

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Run configuration

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• Review profile: CHILL
• Plan: Advanced
• Run ID: 16dc9354-10f4-44e5-a394-59f86b960b7a

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[tinysweeper]

tinysweeper found nothing blocking. Approving.

Diagnostics

Total spend: $0.0001