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chore(deps): bump sigstore/cosign-installer from 3.7.0 to 4.1.1 - #4023

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chore(deps): bump sigstore/cosign-installer from 3.7.0 to 4.1.1#4023
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@dependabot dependabot Bot commented on behalf of github Apr 27, 2026

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Bumps sigstore/cosign-installer from 3.7.0 to 4.1.1.

Release notes

Sourced from sigstore/cosign-installer's releases.

v4.1.1

What's Changed

Full Changelog: sigstore/cosign-installer@v4.1.0...v4.1.1

v4.1.0

What's Changed

We recommend updating as soon as possible as this includes bug fixes for Cosign. We also recommend removing with: cosign-release and strongly discourage using cosign-release unless you have a specific reason to use an older version of Cosign.

Full Changelog: sigstore/cosign-installer@v4.0.0...v4.1.0

v4.0.0

What's Changed?

Note: You must upgrade to cosign-installer v4 if you want to install Cosign v3+. You may still install Cosign v2.x with cosign-installer v4.

In version v3+, using cosign sign-blob requires adding the --bundle flag which may require you to update your signing command.

  • Add support for Cosign v3 releases (#201)

v3.10.1

What's Changed?

Note: cosign-installer v3.x cannot be used to install Cosign v3.x. You must upgrade to cosign-installer v4 in order to use Cosign v3.

Note: This is planned to be the final release of Cosign v2, though we will cut new releases for any critical security or bug fixes. We recommend transitioning to Cosign v3.

  • Bump default Cosign to v2.6.1 (#203)

v3.10.0

What's Changed

Full Changelog: sigstore/cosign-installer@v3.9.2...v3.10.0

v3.9.2

What's Changed

Full Changelog: sigstore/cosign-installer@v3.9.1...v3.9.2

v3.9.1

... (truncated)

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Automatic rebases have been disabled on this pull request as it has been open for over 30 days.

@dependabot dependabot Bot added dependencies github_actions Pull requests that update GitHub Actions code labels Apr 27, 2026
@dependabot
dependabot Bot requested a review from hallieswan as a code owner April 27, 2026 01:23
@dependabot dependabot Bot added the github_actions Pull requests that update GitHub Actions code label Apr 27, 2026
Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.7.0 to 4.1.1.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@dc72c7d...cad07c2)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  dependency-version: 4.1.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot
dependabot Bot force-pushed the dependabot/github_actions/sigstore/cosign-installer-4.1.1 branch from ffc0a44 to d8cebdc Compare April 30, 2026 16:37

@hallieswan hallieswan left a comment

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Claude review of bump:

Bumping sigstore/cosign-installer from v3.7.0 to v4.1.1 is compatible with the action's input/output surface and brings two cosign security fixes, but it changes the bundled cosign from v2.x to v3.0.5 -- which silently ignores --tlog-upload=false under the new default bundle format and will break the SBOM attest step on line 225 unless you either pin cosign-release: v2.6.1 or add --use-signing-config=false --new-bundle-format=false to the cosign attest command.

Recommend deferring this update until we can test the updated flags -- tracking in SMR-769.

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