CVE-2026-29049

MEDIUM

4.3

Description

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache.go). An attacker-controlled URI in a melange config can cause unbounded disk writes, exhausting disk on the build runne. There is no known patch publicly available.

CVE Details

CVSS v3.1 Score4.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published3/6/2026

Last Modified3/10/2026

Sourcenvd

Honeypot Sightings0

Affected Products

chainguard:melange

Weaknesses (CWE)

CWE-400CWE-918

References

https://github.com/chainguard-dev/melange/security/advisories/GHSA-7rp8-r62p-q6wc(security-advisories@github.com)

IOC Correlations

No correlations recorded

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