{"cve":"CVE-2026-29049","nvd":{"published":"2026-03-06T07:16:02.093","modified":"2026-07-07T14:16:29.857","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","score":4.3},"cwes":["CWE-400","CWE-918"],"references":["https://github.com/chainguard-dev/melange/commit/652ca5af08588f78e2d405e64b058fac8398d23f","https://github.com/chainguard-dev/melange/pull/2379","https://github.com/chainguard-dev/melange/releases/tag/v0.43.4","https://github.com/chainguard-dev/melange/security/advisories/GHSA-7rp8-r62p-q6wc"],"products":["chainguard:melange"],"source":"nvd","synced_at":"2026-10-19T22:25:53.701907451+00:00"},"epss":{"cve":"CVE-2026-29049","score":0.00232,"percentile":0.1415,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-7rp8-r62p-q6wc","url":"https://osv.dev/vulnerability/GHSA-7rp8-r62p-q6wc","summary":"`melange update-cache` has unbounded HTTP download that can exhaust disk in CI","modified":"2026-09-10T03:50:38.011471701Z","packages":[{"ecosystem":"Go","name":"chainguard.dev/melange","purl":"pkg:golang/chainguard.dev/melange","ranges":["<0.43.4"],"fixed":["0.43.4"]}]},{"id":"GO-2026-4588","url":"https://osv.dev/vulnerability/GO-2026-4588","summary":"`melange update-cache` has unbounded HTTP download that can exhaust disk in CI in chainguard.dev/melange","modified":"2026-06-26T19:59:21.025446691Z","packages":[{"ecosystem":"Go","name":"chainguard.dev/melange","purl":"pkg:golang/chainguard.dev/melange","ranges":["all versions"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}