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Security Advisories

CVE-2026-54174

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-54174

Severity

8.3

High

CVSS V3

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Summary

melange: Incomplete package integrity verification allows data section substitution

Description

melange allows users to build apk packages using declarative pipelines. Apko prior to version 1.2.9, corresponding to melange prior to version 0.50.4, verified the control section hash (.PKGINFO etc.) against the signed APKINDEX, but never verified the data section hash (the actual package files that get installed). An attacker who could compromise a mirror, poison a cache, or MITM a package fetch could substitute arbitrary file contents while the control hash check still passed. Apko version 1.2.9 and melange version 0.50.4 contain a fix.

References

  • https://nvd.nist.gov/vuln/detail/CVE-2026-54174
  • https://github.com/advisories/GHSA-fpg8-7664-jc5q
  • https://pkg.go.dev/vuln/GO-2026-5968
  • https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54174.json
  • https://github.com/chainguard-dev/melange/security/advisories/GHSA-fpg8-7664-jc5q

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