CVE-2026-25143: potential host command execution via license-check YAML mode patch pipeline

potential host command execution via license-check YAML mode patch pipeline

F-MELANGE-007

Public snapshot: 26 Sep 2026. Status, releases and attribution belong to each source below; none is inferred from another record.

Recorded evidence

7.8high

CVE-2026-25143CVEchainguard-dev/melange

potential host command execution via license-check YAML mode patch pipeline

Fixed in: melange (commit bd132535)

patched

details

Finding IDs: F-MELANGE-007
CVE: CVE-2026-25143
GHSA: GHSA-rf4g-89h5-crcr
Status: patched
Fixed in: melange (commit bd132535)
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE registry state: PUBLISHED
CVE state checked: 23 Sep 2026
Upstream title: potential host command execution via license-check YAML mode patch pipeline
Upstream CWE: CWE-78
Upstream publication: 3 Feb 2026
Upstream updated: 3 Feb 2026
Metadata fetched: 23 Sep 2026
Upstream @1seal credit: @1seal: reporter (accepted)

F-MELANGE-007: Code / markup injection. License metadata can reach host command interpretation. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.

Mechanism source for F-MELANGE-007

Security area (1seal assessment): Semantics. License metadata can reach host command interpretation. Reviewed 24 Sep 2026.

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How this page groups evidence

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