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fix(security): build with Go 1.26.10 for crypto/x509 eMudhra distrust (GO-2026-6809) - #295
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… (GO-2026-6809) The Oct 2026 eMudhra compromise made emSign ECC Root CA - G3 and AAA Certificate Services untrusted. Updated trust stores: certifi 2026.10.23, Alpine ca-certificates 20261020-r0 (3.18+), Debian bookworm 20250419~deb12u2, Node 22.23.4 / 24.22.1, Go 1.26.10.
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Code Review Summary
| Analyzer | Status | Updated (UTC) | Details |
|---|---|---|---|
| Go |  |
Oct 29, 2026 6:49a.m. | Review ↗ |
| Secrets | |
Oct 29, 2026 6:49a.m. | Review ↗ |
| Code coverage | |
Oct 29, 2026 6:49a.m. | Review ↗ |
Code Coverage Summary
| Language | Line Coverage (Overall) |
|---|---|
| Aggregate | 25.4% |
| Go | 25.4% [✓ above threshold] |
➟ Additional coverage metrics may have been reported. See full coverage report ↗
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The toolchain line is only a preference: it is ignored under GOTOOLCHAIN=local and when the module is a dependency, so a source build with Go 1.25 (EOL, no fix for GO-2026-6809) still succeeded. Raising the go directive makes 1.26.10 a hard minimum; the toolchain line is dropped as redundant. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
aseem-deepsource
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Oct 29, 2026
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Why
On Oct 17 2026 eMudhra disclosed that keys for 8 emSign intermediates were recoverable. Trust stores are dropping
emSign ECC Root CA - G3andAAA Certificate Services. Fixed versions: certifi 2026.10.19+, Alpine ca-certificates 20261020-r0 (3.18+ only), Debian bookworm 20250419~deb12u2, Go 1.26.10 / 1.27.3 (GO-2026-6809), Node 22.23.4 / 24.22.1 / 26.12.1. Node, certifi, the JDK and AWS CLI bundle their own roots, so an OS package update alone does not cover them.Changes
(3 files changed, 3 insertions(+), 3 deletions(-))
Verification
go build,go testpass on go1.26.10.Rollout
Cut a release so shipped binaries carry the x509 denylist.
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