SUSE-SU-2026:0777-1

This update for cosign fixes the following issues:

Update to version 3.0.5 (jsc#SLE-23879).

Security issues fixed:

• CVE-2025-11065: github.com/go-viper/mapstructure/v2: sensitive Information leak in logs (bsc#1250620).
• CVE-2025-58181: golang.org/x/crypto/ssh: invalidated number of mechanisms can cause unbounded memory consumption (bsc#1253913).
• CVE-2026-22703: Verification accepts any valid Rekor entry under certain conditions (bsc#1256496).
• CVE-2026-22772: github.com/sigstore/fulcio: bypass MetaIssuer URL validation bypass can trigger SSRF to arbitrary internal services (bsc#1256562).
• CVE-2026-23991: github.com/theupdateframework/go-tuf/v2: denial of service due to invalid TUF metadata JSON returned by TUF repository (bsc#1257080).
• CVE-2026-23992: github.com/theupdateframework/go-tuf/v2: unauthorized modification to TUF metadata files due to a compromised or misconfigured TUF repository (bsc#1257085).
• CVE-2026-24122: improper validation of certificates that outlive expired CA certificates (bsc#1258542).
• CVE-2026-24137: github.com/sigstore/sigstore/pkg/tuf: legacy TUF client allows for arbitrary file writes with target cache path traversal (bsc#1257139).
• CVE-2026-26958: filippo.io/edwards25519: failure to initialize receiver in MultiScalarMult can produce invalid results and lead to undefined behavior (bsc#1258612).

Other updates and bugfixes:

• chore(deps): bump google.golang.org/api from 0.260.0 to 0.264.0 (#4679)
• chore(deps): bump github.com/sigstore/rekor-tiles/v2 from 2.0.1 to 2.1.0 (#4670)
• chore(deps): bump filippo.io/edwards25519 from 1.1.0 to 1.1.1 (#4712)
• chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4680)
• chore(deps): bump the gomod group across 1 directory with 4 updates (#4702)
• chore(deps): bump the actions group with 3 updates (#4703)
• update golang builder to use go1.25.7 (#4687)
• update golangci-lint to v2.8.x (#4688)
• Support DSSE signing conformance test (#4685)
• chore(deps): bump the actions group across 1 directory with 8 updates (#4689)
• Deprecate rekor-entry-type flag (#4691)
• Deprecate cosign triangulate (#4676)
• Deprecate cosign copy (#4681)
• Enforce TSA requirement for Rekor v2, Fuclio signing (#4683)
• chore(deps): bump github.com/theupdateframework/go-tuf/v2 (#4668)
• chore(deps): bump golang from 1.25.5 to 1.25.6 in the all group (#4673)
• Automatically require signed timestamp with Rekor v2 entries (#4666)
• Fix syntax issue in conformance test, update nightly (#4664)
• Add mTLS support for TSA client connections when signing with a signing config (#4620)
• fix: avoid panic on malformed tlog entry body (#4652)
• Verify validity of chain rather than just certificate (#4663)
• Allow --local-image with --new-bundle-format for v2 and v3 signatures (#4626)
• chore(deps): bump the gomod group across 1 directory with 3 updates (#4662)
• Bump sigstore/sigstore to resolve GHSA (#4660)
• Gracefully fail if bundle payload body is not a string (#4648)
• fix: avoid panic on malformed replace payload (#4653)
• chore(deps): bump github.com/sigstore/rekor from 1.4.3 to 1.5.0 (#4659)
• fix: avoid panic on malformed attestation payload (#4651)
• fix: avoid panic on malformed tlog entries (#4649)
• Update conformance to latest
• docs(cosign): clarify RFC3161 revocation semantics (#4642)
• Add empty predicate to cosign sign when payload type is application/vnd.in-toto+json (#4635)
• chore(deps): bump github.com/sigstore/fulcio from 1.8.4 to 1.8.5 (#4637)
• Add origin key for ctfe trusted root
• Add changelog updates for v3.0.4 and v2.6.2 (#4625)

• Update to version 3.0.4:

• Fix bundle verify path for old bundle/trusted root (#4623)
• chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4616)
• chore(deps): bump cuelang.org/go in the gomod group (#4615)
• Optimize cosign tree performance by caching digest resolution (#4612)
• Don't require a trusted root to verify offline with a key (#4613)
• Support default services for trusted-root and signing-config creation (#4592)
• chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4602)
• chore(deps): bump github.com/sigstore/sigstore-go (#4578)
• chore(deps): bump github.com/buildkite/agent/v3 from 3.114.1 to 3.115.2 (#4601)
• chore(deps): bump google.golang.org/api from 0.257.0 to 0.258.0 (#4611)
• chore(deps): bump k8s.io/client-go from 0.34.3 to 0.35.0 (#4604)
• chore(deps): bump actions/upload-artifact from 5.0.0 to 6.0.0 (#4588)
• chore(deps): bump golang.org/x/oauth2 from 0.33.0 to 0.34.0 (#4586)
• chore(deps): bump the gomod group with 5 updates (#4599)
• chore(deps): bump github.com/open-policy-agent/opa from 1.10.1 to 1.12.1 (#4600)
• chore(deps): bump golang.org/x/term from 0.37.0 to 0.38.0 (#4584)
• chore(deps): bump the actions group with 3 updates (#4587)
• chore(deps): bump actions/cache from 4.3.0 to 5.0.1 (#4589)
• chore(deps): bump the gomod group with 9 updates (#4577)

• Update to version 3.0.3:

• 4554: Closes 4554 - Add warning when --output* is used (#4556)
• chore(deps): bump golangci/golangci-lint-action from 8.0.0 to 9.1.0 (#4545)
• chore(deps): bump github.com/buildkite/agent/v3 from 3.111.0 to 3.113.0 (#4542)
• chore(deps): bump github.com/awslabs/amazon-ecr-credential-helper/ecr-login (#4543)
• chore(deps): bump actions/checkout from 5.0.0 to 6.0.0 (#4546)
• chore(deps): bump the actions group with 4 updates (#4544)
• chore(deps): bump the gomod group across 1 directory with 5 updates (#4567)
• chore(deps): bump golang from 1.25.4 to 1.25.5 in the all group (#4568)
• update builder to use go1.25.5 (#4566)
• Protobuf bundle support for subcommand clean (#4539)
• Add staging flag to initialize with staging TUF metadata
• update slack invite link (#4560)
• Updating sign-blob to also support signing with a certificate (#4547)
• Bump sigstore library dependencies (#4532)
• Protobuf bundle support for subcommands save and load (#4538)
• Fix cert attachment for new bundle with signing config
• Fix OCI verification with local cert - old bundle
• chore(deps): bump github.com/sigstore/fulcio from 1.7.1 to 1.8.1 (#4519)
• chore(deps): bump golang.org/x/crypto in /test/fakeoidc (#4535)
• chore(deps): bump golang.org/x/crypto from 0.43.0 to 0.45.0 (#4536)
• update go builder and cosign (#4529)
• chore(deps): bump the gomod group across 1 directory with 7 updates (#4528)
• chore(deps): bump sigstore/cosign-installer from 3.10.0 to 4.0.0 (#4478)
• chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4520)
• chore(deps): bump golang from 1.25.3 to 1.25.4 in the all group (#4515)
• chore(deps): bump golang.org/x/oauth2 from 0.32.0 to 0.33.0 (#4518)
• chore(deps): bump cuelang.org/go from 0.14.2 to 0.15.0 (#4524)
• chore(deps): bump github.com/open-policy-agent/opa from 1.9.0 to 1.10.1 (#4521)
• chore(deps): bump actions/upload-artifact from 4.6.2 to 5.0.0 (#4502)
• chore(deps): bump the actions group across 1 directory with 2 updates (#4516)
• chore(deps): bump github.com/buildkite/agent/v3 from 3.110.0 to 3.111.0 (#4523)
• chore(deps): bump github.com/theupdateframework/go-tuf/v2 (#4522)
• Deprecate tlog-upload flag (#4458)
• fix: Use signal context for sign cli package.
• update offline verification directions (#4526)
• Fix signing/verifying annotations for new bundle
• Add support to download and attach for protobuf bundles (#4477)
• Add --signing-algorithm flag (#3497)
• Refactor signcommon bundle helpers
• Add --bundle and fix --upload for new bundle
• Pass insecure registry flags through to referrers
• chore(deps): bump github.com/buildkite/agent/v3 from 3.108.0 to 3.109.1 (#4483)
• Add protobuf bundle support for tree subcommand (#4491)
• Remove stale embed import (#4492)
• Support multiple container identities
• chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4484)
• chore(deps): bump chainguard-dev/actions in the actions group (#4480)
• chore(deps): bump github.com/sigstore/rekor-tiles/v2 (#4485)
• chore(deps): bump golang.org/x/crypto from 0.42.0 to 0.43.0 (#4486)
• chore(deps): bump cuelang.org/go in the gomod group (#4479)
• upgrade OSS-Fuzz build tooling (#4487)
• Fix segfault when no attestations are found (#4472)
• Use overridden repository for new bundle format (#4473)
• update go to 1.25.3 (#4471)
• Remove --out flag from cosign initialize (#4462)
• chore(deps): bump the actions group with 2 updates (#4460)
• Deprecate offline flag (#4457)
• Deduplicate code in sign/attest* and verify* commands (#4449)
• Cache signing config when calling initialize (#4456)
• Update changelog for v3.0.2 (#4455)
• chore(deps): bump google.golang.org/api from 0.250.0 to 0.251.0
• chore(deps): bump gitlab.com/gitlab-org/api/client-go
• chore(deps): bump the actions group with 3 updates
• chore(deps): bump github.com/buildkite/agent/v3 from 3.107.2 to 3.108.0
• choose different signature filename for KMS-signed release signatures (#4448)
• chore(deps): bump github.com/go-jose/go-jose/v4 (#4451)
• Update rekor-tiles version path
• update CL for v3.0.1 release (#4447)
• update goreleaser config for v3.0.0 release (#4446)
• Create changelog for v3.0.0 (#4440)
• Fetch service URLs from the TUF PGI signing config by default (#4428)
• Create changelog for v2.6.1 (#4439)
• chore(deps): bump google.golang.org/api from 0.249.0 to 0.250.0 (#4432)
• chore(deps): bump the gomod group with 2 updates (#4429)
• chore(deps): bump github.com/open-policy-agent/opa from 1.8.0 to 1.9.0 (#4433)
• chore(deps): bump the actions group with 3 updates (#4434)
• chore(deps): bump github.com/go-openapi/swag from 0.24.1 to 0.25.1 (#4435)
• chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4436)
• chore(deps): bump github.com/go-openapi/runtime from 0.28.0 to 0.29.0 (#4437)
• Bump module version to v3 for Cosign v3.0 (#4427)
• Move sigstore-conformance back to tagged release (#4425)
• Bump sigstore-go to v1.1.3 (#4423)
• Partially populate the output of cosign verify when working with new bundles (#4416)
• chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4419)
• chore(deps): bump github.com/theupdateframework/go-tuf/v2 (#4418)
• chore(deps): bump github.com/buildkite/agent/v3 from 3.105.0 to 3.107.0 (#4420)
• chore(deps): bump chainguard-dev/actions in the actions group (#4421)
• bump go builder to use 1.25.1 and cosign (#4417)
• Bump sigstore-go for more precise user agents (#4413)
• chore(deps): bump github.com/spf13/viper from 1.20.1 to 1.21.0 (#4408)
• chore(deps): bump the actions group with 2 updates (#4407)
• chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4410)
• chore(deps): bump github.com/buildkite/agent/v3 from 3.104.0 to 3.105.0 (#4411)
• Default to using the new protobuf format (#4318)

• Update to version 2.6.0:

• Require exclusively a SigningConfig or service URLs when signing (#4403)
• Add a terminal spinner while signing with sigstore-go (#4402)
• Bump sigstore-go, support alternative hash algorithms with keys (#4386)
• Add support for SigningConfig in sign/attest (#4371)
• Support self-managed keys when signing with sigstore-go (#4368)
• Remove SHA256 assumption in sign-blob/verify-blob (#4050)
• introduce dockerfile to pin the go version to decouple go version from go.mod (#4369)
• refactor: extract function to write referrer attestations (#4357)
• Break import cycle with e2e build tag (#4370)
• Update conformance test binary for signing config (#4367)
• update builder image to use go1.25 (#4366)
• Don't load content from TUF if trusted root path is specified (#4347)
• Don't require timestamps when verifying with a key (#4337)
• Fixes to cosign sign / verify for the new bundle format (#4346)
• update builder to use go1.24.6 (#4334)
• bump golangci-lint to v2.3.x (#4333)
• Have cosign sign support bundle format (#4316)
• Add support for SigningConfig for sign-blob/attest-blob, support Rekor v2 (#4319)
• Verify subject with bundle only when checking claims (#4320)
• Add to attest-blob the ability to supply a complete in-toto statement, and add to verify-blob-attestation the ability to verify with just a digest (#4306)