{"id":"CVE-2026-29049","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-29049","generatedAt":"2026-10-28T03:23:22.994Z","title":"melange allows users to build apk packages using declarative pipelines.","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.","published":"2026-03-06T07:16:02.000Z","lastModified":"2026-07-07T14:16:30.000Z","status":"Modified","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"},"cwe":["CWE-400","CWE-918"],"affected":["chainguard/melange"],"epss":{"score":0.00232,"percentile":0.13967,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/chainguard-dev/melange/commit/652ca5af08588f78e2d405e64b058fac8398d23f","source":"security-advisories@github.com"},{"url":"https://github.com/chainguard-dev/melange/pull/2379","source":"security-advisories@github.com"},{"url":"https://github.com/chainguard-dev/melange/releases/tag/v0.43.4","source":"security-advisories@github.com"},{"url":"https://github.com/chainguard-dev/melange/security/advisories/GHSA-7rp8-r62p-q6wc","tags":["Vendor Advisory"],"source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-29049","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}