VulnSocial

CVE-2026-29049Disclosure(chainguard / melange)

LOWCVSS 4.3 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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. Version 0.43.4 contains a patch.

chainguard CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-400CWE-918

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • melange

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Disclosure: 1 classified signal
  • General: 1 classified signal
  • 2 total mentions across 1 day

Affected systems

Vendors
chainguard
Products
melange

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-03-06: 203-06
Signal classification2 categories
Disclosure
150.0%
General
150.0%
Referenced assets3 URLs
Full discourse2 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-29049 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.Cop… https://www.cve.org/CVERecord?id=CVE-2026-29049

    Post summary

    The post provides a brief disclosure of CVE-2026-29049, noting that melange allows APK builds via pipelines and that update‑cache downloads URIs in older versions, but offers no PoC, exploit, patch, or evidence of active exploitation.

    00000124
    56.6K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-29049 Unbounded Disk Write Vulnerability in Melange Package Bui... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-29049 Don't wait vulnerability scanning results: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=2

    Post summary

    The tweet simply references the CVE and links to a vulnerability detail page, offering no additional information about exploitation, patches, or technical specifics.

    0000046
    4.0K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appchainguardmelange-go-

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