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CVE-2026-42574

apko allows users to build and publish OCI container images built from apk packages. From version 0.14.8 to before version 1.2.5, a crafted .apk could install a TypeSymlink tar entry whose target pointed outside the build root, and a subsequent directory-creation or file-write entry in the same or later archive could traverse that symlink to reach host paths the build user could write to. This issue has been patched in version 1.2.5.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8d118026574cf8a7c41d2e7a9fd641ba7092cbc7bcc23940a3a0c8b9d03c2a70
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:40de8fbb77c033bce43b74fcf5a9a063c6cfffebe247b482679367da1797312b · sha256:538011f81c285b3d… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:40de8fbb77c033bce43b74fcf5a9a063c6cfffebe247b482679367da1797312b · sha256:538011f81c285b3d… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"apko","vendor":"chainguard-dev","versions":[{"status":"affected","version":">= 0.14.8, < 1.2.5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:40de8fbb77c033bce43b74fcf5a9a063c6cfffebe247b482679367da1797312b · sha256:538011f81c285b3d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:40de8fbb77c033bce43b74fcf5a9a063c6cfffebe247b482679367da1797312b · sha256:538011f81c285b3d… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:40de8fbb77c033bce43b74fcf5a9a063c6cfffebe247b482679367da1797312b · sha256:538011f81c285b3d… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:40de8fbb77c033bce43b74fcf5a9a063c6cfffebe247b482679367da1797312b · sha256:538011f81c285b3d… · /containers/cna/problemTypes/1/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/chainguard-dev/apko/commit/f5a96e1299ac81c7ea9441705ec467688086f442","tags":["x_refsource_MISC"],"url":"https://github.com/chainguard-dev/apko/commit/f5a96e1299ac81c7ea9441705ec467688086f442"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:40de8fbb77c033bce43b74fcf5a9a063c6cfffebe247b482679367da1797312b · sha256:538011f81c285b3d… · /containers/cna/references/2
{"name":"https://github.com/chainguard-dev/apko/pull/2187","tags":["x_refsource_MISC"],"url":"https://github.com/chainguard-dev/apko/pull/2187"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:40de8fbb77c033bce43b74fcf5a9a063c6cfffebe247b482679367da1797312b · sha256:538011f81c285b3d… · /containers/cna/references/1
{"name":"https://github.com/chainguard-dev/apko/releases/tag/v1.2.5","tags":["x_refsource_MISC"],"url":"https://github.com/chainguard-dev/apko/releases/tag/v1.2.5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:40de8fbb77c033bce43b74fcf5a9a063c6cfffebe247b482679367da1797312b · sha256:538011f81c285b3d… · /containers/cna/references/3
{"name":"https://github.com/chainguard-dev/apko/security/advisories/GHSA-qq3r-w4hj-gjp6","tags":["x_refsource_CONFIRM"],"url":"https://github.com/chainguard-dev/apko/security/advisories/GHSA-qq3r-w4hj-gjp6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:40de8fbb77c033bce43b74fcf5a9a063c6cfffebe247b482679367da1797312b · sha256:538011f81c285b3d… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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