CVE-2026-48758

sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 3.2.1, the preAuthEncoding function in @sigstore/core uses Node.js ascii encoding when converting the PAE string to bytes, allowing payloadType to be mutated after signing without invalidating the signature...

CVE-2026-48758 sigstore-js: DSSE payloadType type-binding failure

sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 3.2.1, the preAuthEncoding function in @sigstore/core uses Node.js ascii encoding when converting the PAE string to bytes, allowing payloadType to be mutated after signing without invalidating the signature...

CVE-2026-48758

CVE-2026-48758 affects sigstore-js with a flaw in the preAuthEncoding function in @sigstore/core: it uses Node.js ASCII encoding when converting PAE strings to bytes, allowing payloadType to be mutated after signing without invalidating the DSSE signature. The issue is fixed in @sigstore/core ver...

CVE-2026-48758 sigstore-js: DSSE payloadType type-binding failure

sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 3.2.1, the preAuthEncoding function in @sigstore/core uses Node.js ascii encoding when converting the PAE string to bytes, allowing payloadType to be mutated after signing without invalidating the signature...

CVE-2026-48758: Improper Verification of Cryptographic Signature

sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 3.2.1, the preAuthEncoding function in @sigstore/core uses Node.js ascii encoding when converting the PAE string to bytes, allowing payloadType to be mutated after signing without invalidating the signature...

SUSE SLED15 / SLES15 Security Update : cosign (SUSE-SU-2026:2365-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:2365-1 advisory. This update for cosign fixes the following issue - CVE-2026-39395: Incorrect attestation verification due to malformed...

SUSE-SU-2026:2365-1 Security update for cosign

This update for cosign fixes the following issue - CVE-2026-39395: Incorrect attestation verification due to malformed payloads or mismatched predicate types bsc1261859. Changes for cosign: - update to 3.0.6: Fix DSSE predicate check GHSA-w6c6-c85g-mmv6 4801 Handle whitespace-only certificate...

GHSA-MHG6-2Q2V-9H2C sigstore-ruby verifier returns success for DSSE bundles with mismatched in-toto subject digest

Summary Sigstore::Verifierverify does not propagate the VerificationFailure returned by verifyintoto when the artifact digest does not match the digest in the in-toto attestation subject. As a result, verification of DSSE bundles containing in-toto statements returns VerificationSuccess regardles...

sigstore-ruby verifier returns success for DSSE bundles with mismatched in-toto subject digest

Summary Sigstore::Verifierverify does not propagate the VerificationFailure returned by verifyintoto when the artifact digest does not match the digest in the in-toto attestation subject. As a result, verification of DSSE bundles containing in-toto statements returns VerificationSuccess regardles...

sigstore-ruby verifier returns success for DSSE bundles with mismatched in-toto subject digest

Summary Sigstore::Verifierverify does not propagate the VerificationFailure returned by verifyintoto when the artifact digest does not match the digest in the in-toto attestation subject. As a result, verification of DSSE bundles containing in-toto statements returns VerificationSuccess regardles...

CVE-2026-31830

sigstore-ruby is a pure Ruby implementation of the sigstore verify command from the sigstore/cosign project. Prior to 0.2.3, Sigstore::Verifierverify does not propagate the VerificationFailure returned by verifyintoto when the artifact digest does not match the digest in the in-toto attestation...

CVE-2026-31830 sigstore-ruby verifier returns success for DSSE bundles with mismatched in-toto subject digest

sigstore-ruby is a pure Ruby implementation of the sigstore verify command from the sigstore/cosign project. Prior to 0.2.3, Sigstore::Verifierverify does not propagate the VerificationFailure returned by verifyintoto when the artifact digest does not match the digest in the in-toto attestation...

PT-2026-24484

Name of the Vulnerable Software and Affected Versions sigstore-ruby versions prior to 0.2.3 Description The software does not correctly handle verification failures when the artifact digest does not match the digest in the in-toto attestation subject. Specifically, the Sigstore::Verifierverify...