CVE-2026-56864 Ignore unrelated, unauthenticated hashes in Lookup in golang.org/x/mod/sumdb

A malicious GOSUMDB was capable of serving arbitrary module content not contained within the transparency log. This attack allows for a coordinating GOPROXY and GOSUMDB to serve a client malicious module content that cannot be detected by evaluating the transparency log. In order to determine if...

EUVD-2026-58514

A malicious GOSUMDB was capable of serving arbitrary module content not contained within the transparency log. This attack allows for a coordinating GOPROXY and GOSUMDB to serve a client malicious module content that cannot be detected by evaluating the transparency log. In order to determine if...

CVE-2026-56864

A malicious GOSUMDB was capable of serving arbitrary module content not contained within the transparency log. This attack allows for a coordinating GOPROXY and GOSUMDB to serve a client malicious module content that cannot be detected by evaluating the transparency log. In order to determine if...

CVE-2026-56864

A malicious GOSUMDB was capable of serving arbitrary module content not contained within the transparency log. This attack allows for a coordinating GOPROXY and GOSUMDB to serve a client malicious module content that cannot be detected by evaluating the transparency log. In order to determine if...

GO-2026-6179 Fix transparency log tile verification bypass in golang.org/x/mod/sumdb/tlog

A malicious GOPROXY was previously capable of forging up to two sumdb tiles that allow for a requested module to bypass the GOSUMDB check and persist attacker-controlled module content to a local Go module cache. This attack allows for a malicious GOPROXY to serve malicious module content that...

GO-2026-6180 Ignore unrelated, unauthenticated hashes in Lookup in golang.org/x/mod/sumdb

A malicious GOSUMDB was capable of serving arbitrary module content not contained within the transparency log. This attack allows for a coordinating GOPROXY and GOSUMDB to serve a client malicious module content that cannot be detected by evaluating the transparency log. In order to determine if...

CVE-2026-48791

sigstore-java is a sigstore java client for interacting with sigstore infrastructure. Version 2.0.0 erroneously removed verification of the integrated Rekor entry time against the Fulcio certificate. Version 2.1.0 re-added this verification with enhancements that adhere to the Sigstore verificati...

PT-2026-71901

Name of the Vulnerable Software and Affected Versions Go affected versions not specified Description A malicious GOPROXY could forge up to two sumdb tiles, enabling a requested module to bypass the GOSUMDB check. This allows attacker-controlled module content to persist in a local Go module cache...

PT-2026-76036

A malicious GOPROXY was previously capable of forging up to two sumdb tiles that allow for a requested module to bypass the GOSUMDB check and persist attacker-controlled module content to a local Go module cache. This attack allows for a malicious GOPROXY to serve malicious module content that...

PT-2026-71900

Name of the Vulnerable Software and Affected Versions Go affected versions not specified Description A malicious GOSUMDB can serve arbitrary module content that is not present in the transparency log. This allows a coordinating GOPROXY and GOSUMDB to deliver malicious module content to a client,...

CVE-2026-56864: Improper Verification of Cryptographic Signature

A malicious GOSUMDB was capable of serving arbitrary module content not contained within the transparency log. This attack allows for a coordinating GOPROXY and GOSUMDB to serve a client malicious module content that cannot be detected by evaluating the transparency log. In order to determine if...

PT-2026-76037

A malicious GOSUMDB was capable of serving arbitrary module content not contained within the transparency log. This attack allows for a coordinating GOPROXY and GOSUMDB to serve a client malicious module content that cannot be detected by evaluating the transparency log. In order to determine if...

CVE-2026-49834

A flaw was found in sigstore-go, a Go library for Sigstore signing and verification. This vulnerability allows a single compromised transparency log or Certificate Transparency CT log to bypass the multi-log threshold requirements. An attacker could exploit this by compromising a single log,...

cosign v3.1.3

cosign Signing OCI containers and other artifacts using Sigstore! Cosign aims to make signatures invisible infrastructure. Cosign supports: "Keyless signing" with the Sigstore public good Fulcio certificate authority and Rekor transparency log default Hardware and KMS signing Signing with a cosig...

github.com/sigstore/sigstore-go: sigstore-go: Security Policy Bypass via Compromised Log

A flaw was found in sigstore-go, a Go library for Sigstore signing and verification. This vulnerability allows a single compromised transparency log or Certificate Transparency CT log to bypass the multi-log threshold requirements. An attacker could exploit this by compromising a single log,...

github.com/sigstore/sigstore-go: sigstore-go: Security Policy Bypass via Compromised Log

A flaw was found in sigstore-go, a Go library for Sigstore signing and verification. This vulnerability allows a single compromised transparency log or Certificate Transparency CT log to bypass the multi-log threshold requirements. An attacker could exploit this by compromising a single log,...

DEBIAN-CVE-2026-49834

sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.0, a verifier configured with WithTransparencyLogN1 or WithSignedCertificateTimestampsN1 counts verified witnesses per entry or per validation path rather than per log authority, allowing a single compromised...

CVE-2026-49834

sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.0, a verifier configured with WithTransparencyLogN1 or WithSignedCertificateTimestampsN1 counts verified witnesses per entry or per validation path rather than per log authority, allowing a single compromised...

CVE-2026-49834 sigstore-go: Multi-log threshold bypass via single compromised log

sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.0, a verifier configured with WithTransparencyLogN1 or WithSignedCertificateTimestampsN1 counts verified witnesses per entry or per validation path rather than per log authority, allowing a single compromised...

CVE-2026-49834

sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.0, a verifier configured with WithTransparencyLogN1 or WithSignedCertificateTimestampsN1 counts verified witnesses per entry or per validation path rather than per log authority, allowing a single compromised...