[dependabot]

Bumps github.com/go-jose/go-jose/v4 from 4.1.4 to 4.1.6.

Release notes

Sourced from github.com/go-jose/go-jose/v4's releases.

v4.1.6

Fixed Security Issues

This release contains a fix for GHSA-mgcc-cww5-fp2q

Breaking Changes

The fix for GHSA-mgcc-cww5-fp2q involves capping the size of the RSA modulus of keys accepted by JWK parsing. This limit is 4096 bits. If you need this to be higher, set MaxRSAModulusBits before performing any JWK parsing.

Changed

• Reject mismatched JWE CEK lengths by @​akshithg in go-jose/go-jose#266
• Add a tests containerfile and threat model by @​mcpherrinm in go-jose/go-jose#300
• Fix error message for future issued tokens by @​inahga in go-jose/go-jose#303

Full Changelog: go-jose/go-jose@v4.1.5...v4.1.6

v4.1.5

Fixed security issues

• cipher/cbc_hmac: don't panic on empty ciphertext (#292)
• cipher/cbc_hmac: don't panic on invalid key (#291)
• json: limit stack depth (#290)
• jwt: reject out-of-range NumericDate values (#278)
• Check alg against pubkey curve during verify. (#293)
• Reject malformed Ed25519 JWKs (#250)
• jws: choose verification key per-signature (#243)

Breaking Changes

In #226, we un-exported jose.RandReader. This was used to be able to stub out the randomness function in tests, but is ignored as of Go 1.26 in some APIs, so no longer serves a useful function.

Changed

• Verify OpaqueSigner's Public() return is public (#260)
• jws: skip signature on ErrJWKSKidNotFound (#248)
• Handle JWE JSON without protected header (#240)
• jws: don't strip internal whitespace before parsing JSON (#239)
• jws: fewer calls to OpaqueSigner.Public() (#224)
• Return a specific error when parsing empty string (#216)
• Reject typed nil at Verify time (#285)

Commits

• a0111f8 Merge commit from fork
• dd39a41 Fix error message for future issued tokens (#303)
• 13b7118 Add a tests containerfile and threat model (#300)
• 25b55fe Reject mismatched JWE CEK lengths (#266)
• b10771e Reject typed nil at Verify time
• 56f3866 Check alg against pubkey curve during verify. (#293)
• 74114c2 cipher/cbc_hmac: don't panic on empty ciphertext (#292)
• 6b364f3 cipher/cbc_hmac: don't panic on invalid key (#291)
• a31af25 json: limit stack depth (#290)
• 7f5beb3 jwt: reject out-of-range NumericDate values (#278)
• Additional commits viewable in compare view

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[cursor]

PR Summary

Low Risk
Scope is limited to hack/tools/ko lockfiles; risk is mainly if ko/cosign paths parse JWKs with RSA keys above 4096 bits, which is uncommon.

Overview
Updates the indirect github.com/go-jose/go-jose/v4 dependency in hack/tools/ko from 4.1.4 to 4.1.6, with matching go.sum checksums. This is a toolchain-only change for the pinned ko build tool module—no application code is modified.

4.1.6 includes a security fix (GHSA-mgcc-cww5-fp2q) that caps RSA modulus size during JWK parsing (4096 bits by default; configurable via MaxRSAModulusBits), plus stricter JWE CEK length checks and related hardening from the release notes.

^{Reviewed by Cursor Bugbot for commit c6b33cd. Bugbot is set up for automated code reviews on this repo. Configure here.}