GHSA-WHQX-F9J3-CH6M Cosign verification accepts any valid Rekor entry under certain conditions

Impact A Cosign bundle can be crafted to successfully verify an artifact even if the embedded Rekor entry does not reference the artifact's digest, signature or public key. When verifying a Rekor entry, Cosign verifies the Rekor entry signature, and also compares the artifact's digest, the user's...

Cosign verification accepts any valid Rekor entry under certain conditions

Impact A Cosign bundle can be crafted to successfully verify an artifact even if the embedded Rekor entry does not reference the artifact's digest, signature or public key. When verifying a Rekor entry, Cosign verifies the Rekor entry signature, and also compares the artifact's digest, the user's...

BIT-COSIGN-2026-22703 Cosign verification accepts any valid Rekor entry under certain conditions

Cosign provides code signing and transparency for containers and binaries. Prior to versions 2.6.2 and 3.0.4, Cosign bundle can be crafted to successfully verify an artifact even if the embedded Rekor entry does not reference the artifact's digest, signature or public key. When verifying a Rekor...

SUSE CVE-2026-22703

Cosign provides code signing and transparency for containers and binaries. Prior to versions 2.6.2 and 3.0.4, Cosign bundle can be crafted to successfully verify an artifact even if the embedded Rekor entry does not reference the artifact's digest, signature or public key. When verifying a Rekor...

CVE-2026-22703

Cosign provides code signing and transparency for containers and binaries. Prior to versions 2.6.2 and 3.0.4, Cosign bundle can be crafted to successfully verify an artifact even if the embedded Rekor entry does not reference the artifact's digest, signature or public key. When verifying a Rekor...

CVE-2026-22703

Cosign provides code signing and transparency for containers and binaries. Prior to versions 2.6.2 and 3.0.4, Cosign bundle can be crafted to successfully verify an artifact even if the embedded Rekor entry does not reference the artifact's digest, signature or public key. When verifying a Rekor...

UBUNTU-CVE-2026-22703

Cosign provides code signing and transparency for containers and binaries. Prior to versions 2.6.2 and 3.0.4, Cosign bundle can be crafted to successfully verify an artifact even if the embedded Rekor entry does not reference the artifact's digest, signature or public key. When verifying a Rekor...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the VerifyBundle function in the verify.go file. An attacker can bypass artifact integrity checks by crafting a bundle that includes any arbitrary Rekor entry, allowing successful...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the VerifyBundle function in the verify.go file. An attacker can bypass artifact integrity checks by crafting a bundle that includes any arbitrary Rekor entry, allowing successful...

CVE-2026-22703 Cosign verification accepts any valid Rekor entry under certain conditions

Cosign provides code signing and transparency for containers and binaries. Prior to versions 2.6.2 and 3.0.4, Cosign bundle can be crafted to successfully verify an artifact even if the embedded Rekor entry does not reference the artifact's digest, signature or public key. When verifying a Rekor...

CVE-2026-22703

Cosign provides code signing and transparency for containers and binaries. Prior to versions 2.6.2 and 3.0.4, Cosign bundle can be crafted to successfully verify an artifact even if the embedded Rekor entry does not reference the artifact's digest, signature or public key. When verifying a Rekor...

CVE-2026-22703 Cosign verification accepts any valid Rekor entry under certain conditions

Cosign provides code signing and transparency for containers and binaries. Prior to versions 2.6.2 and 3.0.4, Cosign bundle can be crafted to successfully verify an artifact even if the embedded Rekor entry does not reference the artifact's digest, signature or public key. When verifying a Rekor...

CVE-2026-22703

Cosign provides code signing and transparency for containers and binaries. Prior to versions 2.6.2 and 3.0.4, Cosign bundle can be crafted to successfully verify an artifact even if the embedded Rekor entry does not reference the artifact's digest, signature or public key. When verifying a Rekor...

CVE-2026-22703 Cosign verification accepts any valid Rekor entry under certain conditions

Cosign provides code signing and transparency for containers and binaries. Prior to versions 2.6.2 and 3.0.4, Cosign bundle can be crafted to successfully verify an artifact even if the embedded Rekor entry does not reference the artifact's digest, signature or public key. When verifying a Rekor...

CVE-2026-22703

Cosign prior to versions 2.6.2 and 3.0.4 could verify a Rekor entry without actually checking the artifact digest, signature, or public key, allowing a malicious actor to craft a valid bundle from any Rekor entry and evade audit. The issue affects Cosign’s signing/verification workflow and could ...

Linux Distros Unpatched Vulnerability : CVE-2026-22703

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Cosign provides code signing and transparency for containers and binaries. Prior to versions 2.6.2 and 3.0.4, Cosign bundle can be crafted to successfully verif...

cosign 数据伪造问题漏洞

cosign is a container signing, verification and storage in an OCI registry in the United States. A data forgery issue vulnerability exists in Cosign versions prior to 2.6.2 and prior to 3.0.4, which stems from a specially crafted Cosign package being able to validate successfully even if the...

CVE-2022-23649

Cosign provides container signing, verification, and storage in an OCI registry for the sigstore project. Prior to version 1.5.2, Cosign can be manipulated to claim that an entry for a signature exists in the Rekor transparency log even if it doesn't. This requires the attacker to have pull and...

PT-2026-2253

Name of the Vulnerable Software and Affected Versions Cosign versions prior to 2.6.2 and 3.0.4 Description Cosign is a tool providing code signing and transparency for containers and binaries. Prior to versions 2.6.2 and 3.0.4, a crafted Cosign bundle could successfully verify an artifact even if...

WordPress CoSign Single Signon plugin <= 0.3.1 - Reflected Cross-Site Scripting via $_SERVER['PHP_SELF'] vulnerability

Reflected Cross-Site Scripting via $SERVER'PHPSELF' vulnerability discovered by Abdulsamad Yusuf 0xVenus - Envorasec in WordPress Plugin CoSign Single Signon versions = 0.3.1...