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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.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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:51412c6d15fcef850095b230092287e8ba5794a1beddfa5d40e88e453bd49253
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-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c3e8a8810345798a13e0fc848ec960c6e57b19992f653aee98e55f40dad636f3 · sha256:e3f71a792acffe51… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c3e8a8810345798a13e0fc848ec960c6e57b19992f653aee98e55f40dad636f3 · sha256:e3f71a792acffe51… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"melange","vendor":"chainguard-dev","versions":[{"status":"affected","version":"< 0.43.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c3e8a8810345798a13e0fc848ec960c6e57b19992f653aee98e55f40dad636f3 · sha256:e3f71a792acffe51… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c3e8a8810345798a13e0fc848ec960c6e57b19992f653aee98e55f40dad636f3 · sha256:e3f71a792acffe51… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c3e8a8810345798a13e0fc848ec960c6e57b19992f653aee98e55f40dad636f3 · sha256:e3f71a792acffe51… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c3e8a8810345798a13e0fc848ec960c6e57b19992f653aee98e55f40dad636f3 · sha256:e3f71a792acffe51… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/chainguard-dev/melange/commit/652ca5af08588f78e2d405e64b058fac8398d23f","tags":["x_refsource_MISC"],"url":"https://github.com/chainguard-dev/melange/commit/652ca5af08588f78e2d405e64b058fac8398d23f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c3e8a8810345798a13e0fc848ec960c6e57b19992f653aee98e55f40dad636f3 · sha256:e3f71a792acffe51… · /containers/cna/references/2
{"name":"https://github.com/chainguard-dev/melange/pull/2379","tags":["x_refsource_MISC"],"url":"https://github.com/chainguard-dev/melange/pull/2379"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c3e8a8810345798a13e0fc848ec960c6e57b19992f653aee98e55f40dad636f3 · sha256:e3f71a792acffe51… · /containers/cna/references/1
{"name":"https://github.com/chainguard-dev/melange/releases/tag/v0.43.4","tags":["x_refsource_MISC"],"url":"https://github.com/chainguard-dev/melange/releases/tag/v0.43.4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c3e8a8810345798a13e0fc848ec960c6e57b19992f653aee98e55f40dad636f3 · sha256:e3f71a792acffe51… · /containers/cna/references/3
{"name":"https://github.com/chainguard-dev/melange/security/advisories/GHSA-7rp8-r62p-q6wc","tags":["x_refsource_CONFIRM"],"url":"https://github.com/chainguard-dev/melange/security/advisories/GHSA-7rp8-r62p-q6wc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c3e8a8810345798a13e0fc848ec960c6e57b19992f653aee98e55f40dad636f3 · sha256:e3f71a792acffe51… · /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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