CVE-2026-24845malcontent's OCI image scanning could expose registry credentials

Description

malcontent discovers supply-chain compromises through. context, differential analysis, and YARA. Starting in version 0.10.0 and prior to version 1.20.3, malcontent could be made to expose Docker registry credentials if it scanned a specially crafted OCI image reference. malcontent uses google/go-containerregistry for OCI image pulls, which by default uses the Docker credential keychain. A malicious registry could return a `WWW-Authenticate` header redirecting token authentication to an attacker-controlled endpoint, causing credentials to be sent to that endpoint. Version 1.20.3 fixes the issue by defaulting to anonymous auth for OCI pulls.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://github.com/chainguard-dev/malcontent/security/advisories/GHSA-9m43-p3cx-w8j5 PatchVendor Advisory
• https://github.com/chainguard-dev/malcontent/commit/538ed00cdc639d687a4bd1e843a2be0428a3b3e7 Patch