Vulnerability Details CVE-2026-24843
melange allows users to build apk packages using declarative pipelines. In version 0.11.3 to before 0.40.3, an attacker who can influence the tar stream from a QEMU guest VM could write files outside the intended workspace directory on the host. The retrieveWorkspace function extracts tar entries without validating that paths stay within the workspace, allowing path traversal via ../ sequences. This issue has been patched in version 0.40.3.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 0.3%
CVSS Severity
CVSS v3 Score 8.2
Products affected by CVE-2026-24843
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cpe:2.3:a:chainguard:melange:0.11.3
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cpe:2.3:a:chainguard:melange:0.11.4
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cpe:2.3:a:chainguard:melange:0.11.5
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cpe:2.3:a:chainguard:melange:0.11.6
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cpe:2.3:a:chainguard:melange:0.12.0
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cpe:2.3:a:chainguard:melange:0.12.1
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cpe:2.3:a:chainguard:melange:0.13.0
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cpe:2.3:a:chainguard:melange:0.13.1
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cpe:2.3:a:chainguard:melange:0.13.2
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cpe:2.3:a:chainguard:melange:0.13.3
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cpe:2.3:a:chainguard:melange:0.13.4
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cpe:2.3:a:chainguard:melange:0.13.5
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cpe:2.3:a:chainguard:melange:0.13.6
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cpe:2.3:a:chainguard:melange:0.13.7
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cpe:2.3:a:chainguard:melange:0.14.0
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cpe:2.3:a:chainguard:melange:0.14.1
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cpe:2.3:a:chainguard:melange:0.14.10
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cpe:2.3:a:chainguard:melange:0.14.11
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cpe:2.3:a:chainguard:melange:0.14.2
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cpe:2.3:a:chainguard:melange:0.14.3
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cpe:2.3:a:chainguard:melange:0.14.4
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cpe:2.3:a:chainguard:melange:0.14.5
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cpe:2.3:a:chainguard:melange:0.14.6
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cpe:2.3:a:chainguard:melange:0.14.7
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cpe:2.3:a:chainguard:melange:0.14.8
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cpe:2.3:a:chainguard:melange:0.14.9
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cpe:2.3:a:chainguard:melange:0.15.0
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cpe:2.3:a:chainguard:melange:0.15.1
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cpe:2.3:a:chainguard:melange:0.15.10
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cpe:2.3:a:chainguard:melange:0.15.11
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cpe:2.3:a:chainguard:melange:0.15.12
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cpe:2.3:a:chainguard:melange:0.15.13
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cpe:2.3:a:chainguard:melange:0.15.14
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cpe:2.3:a:chainguard:melange:0.15.2
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cpe:2.3:a:chainguard:melange:0.15.3
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cpe:2.3:a:chainguard:melange:0.15.4
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cpe:2.3:a:chainguard:melange:0.15.5
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cpe:2.3:a:chainguard:melange:0.15.6
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cpe:2.3:a:chainguard:melange:0.15.7
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cpe:2.3:a:chainguard:melange:0.15.8
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cpe:2.3:a:chainguard:melange:0.15.9
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cpe:2.3:a:chainguard:melange:0.16.0
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cpe:2.3:a:chainguard:melange:0.17.0
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cpe:2.3:a:chainguard:melange:0.17.1
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cpe:2.3:a:chainguard:melange:0.17.2
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cpe:2.3:a:chainguard:melange:0.17.3
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cpe:2.3:a:chainguard:melange:0.17.4
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cpe:2.3:a:chainguard:melange:0.17.5
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cpe:2.3:a:chainguard:melange:0.17.6
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cpe:2.3:a:chainguard:melange:0.17.7
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cpe:2.3:a:chainguard:melange:0.18.0
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cpe:2.3:a:chainguard:melange:0.18.1
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cpe:2.3:a:chainguard:melange:0.18.2
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cpe:2.3:a:chainguard:melange:0.18.3
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cpe:2.3:a:chainguard:melange:0.19.0
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cpe:2.3:a:chainguard:melange:0.19.1
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cpe:2.3:a:chainguard:melange:0.19.2
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cpe:2.3:a:chainguard:melange:0.19.3
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cpe:2.3:a:chainguard:melange:0.19.4
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cpe:2.3:a:chainguard:melange:0.19.5
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cpe:2.3:a:chainguard:melange:0.20.0
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cpe:2.3:a:chainguard:melange:0.20.1
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cpe:2.3:a:chainguard:melange:0.21.0
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cpe:2.3:a:chainguard:melange:0.21.1
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cpe:2.3:a:chainguard:melange:0.21.2
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cpe:2.3:a:chainguard:melange:0.22.0
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cpe:2.3:a:chainguard:melange:0.22.1
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cpe:2.3:a:chainguard:melange:0.22.2
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cpe:2.3:a:chainguard:melange:0.23.0
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cpe:2.3:a:chainguard:melange:0.23.1
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cpe:2.3:a:chainguard:melange:0.23.10
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cpe:2.3:a:chainguard:melange:0.23.11
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cpe:2.3:a:chainguard:melange:0.23.12
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cpe:2.3:a:chainguard:melange:0.23.13
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cpe:2.3:a:chainguard:melange:0.23.14
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cpe:2.3:a:chainguard:melange:0.23.15
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cpe:2.3:a:chainguard:melange:0.23.16
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cpe:2.3:a:chainguard:melange:0.23.17
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cpe:2.3:a:chainguard:melange:0.23.2
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cpe:2.3:a:chainguard:melange:0.23.3
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cpe:2.3:a:chainguard:melange:0.23.4
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cpe:2.3:a:chainguard:melange:0.23.5
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cpe:2.3:a:chainguard:melange:0.23.6
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cpe:2.3:a:chainguard:melange:0.23.7
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cpe:2.3:a:chainguard:melange:0.23.8
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cpe:2.3:a:chainguard:melange:0.23.9
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cpe:2.3:a:chainguard:melange:0.24.0
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cpe:2.3:a:chainguard:melange:0.25.0
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cpe:2.3:a:chainguard:melange:0.25.1
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cpe:2.3:a:chainguard:melange:0.26.0
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cpe:2.3:a:chainguard:melange:0.26.1
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cpe:2.3:a:chainguard:melange:0.26.10
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cpe:2.3:a:chainguard:melange:0.26.11
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cpe:2.3:a:chainguard:melange:0.26.12
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cpe:2.3:a:chainguard:melange:0.26.13
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cpe:2.3:a:chainguard:melange:0.26.2
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cpe:2.3:a:chainguard:melange:0.26.3
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cpe:2.3:a:chainguard:melange:0.26.4
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cpe:2.3:a:chainguard:melange:0.26.5
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cpe:2.3:a:chainguard:melange:0.26.6
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cpe:2.3:a:chainguard:melange:0.26.7
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cpe:2.3:a:chainguard:melange:0.26.8
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cpe:2.3:a:chainguard:melange:0.26.9
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cpe:2.3:a:chainguard:melange:0.27.0
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cpe:2.3:a:chainguard:melange:0.28.0
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cpe:2.3:a:chainguard:melange:0.29.0
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cpe:2.3:a:chainguard:melange:0.29.1
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cpe:2.3:a:chainguard:melange:0.29.2
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cpe:2.3:a:chainguard:melange:0.29.3
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cpe:2.3:a:chainguard:melange:0.29.4
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cpe:2.3:a:chainguard:melange:0.29.5
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cpe:2.3:a:chainguard:melange:0.29.6
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cpe:2.3:a:chainguard:melange:0.29.7
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cpe:2.3:a:chainguard:melange:0.30.0
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cpe:2.3:a:chainguard:melange:0.30.1
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cpe:2.3:a:chainguard:melange:0.30.2
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cpe:2.3:a:chainguard:melange:0.30.3
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cpe:2.3:a:chainguard:melange:0.30.4
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cpe:2.3:a:chainguard:melange:0.30.5
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cpe:2.3:a:chainguard:melange:0.30.6
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cpe:2.3:a:chainguard:melange:0.31.0
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cpe:2.3:a:chainguard:melange:0.31.1
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cpe:2.3:a:chainguard:melange:0.31.2
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cpe:2.3:a:chainguard:melange:0.31.3
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cpe:2.3:a:chainguard:melange:0.31.4
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cpe:2.3:a:chainguard:melange:0.31.5
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cpe:2.3:a:chainguard:melange:0.31.6
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cpe:2.3:a:chainguard:melange:0.31.7
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cpe:2.3:a:chainguard:melange:0.31.8
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cpe:2.3:a:chainguard:melange:0.31.9
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cpe:2.3:a:chainguard:melange:0.32.0
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cpe:2.3:a:chainguard:melange:0.33.0
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cpe:2.3:a:chainguard:melange:0.33.1
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cpe:2.3:a:chainguard:melange:0.33.2
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cpe:2.3:a:chainguard:melange:0.34.0
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cpe:2.3:a:chainguard:melange:0.34.1
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cpe:2.3:a:chainguard:melange:0.34.2
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cpe:2.3:a:chainguard:melange:0.34.3
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cpe:2.3:a:chainguard:melange:0.35.0
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cpe:2.3:a:chainguard:melange:0.35.1
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cpe:2.3:a:chainguard:melange:0.36.0
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cpe:2.3:a:chainguard:melange:0.37.0
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cpe:2.3:a:chainguard:melange:0.37.1
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cpe:2.3:a:chainguard:melange:0.37.2
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cpe:2.3:a:chainguard:melange:0.37.3
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cpe:2.3:a:chainguard:melange:0.37.4
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cpe:2.3:a:chainguard:melange:0.37.5
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cpe:2.3:a:chainguard:melange:0.38.0
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cpe:2.3:a:chainguard:melange:0.38.1
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cpe:2.3:a:chainguard:melange:0.39.0
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cpe:2.3:a:chainguard:melange:0.40.0
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cpe:2.3:a:chainguard:melange:0.40.1
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cpe:2.3:a:chainguard:melange:0.40.2
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cpe:2.3:a:chainguard:melange:0.40.3
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cpe:2.3:a:chainguard:melange:0.40.4