{"id":"CVE-2026-110865","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-110865","generatedAt":"2026-10-27T23:50:22.549Z","title":"Renovate before 44.60.1 contains an allowlist bypass vulnerability that allows repository users to evade the allowedHeaders restriction by placing hostRules headers inside shared presets.","description":"Renovate before 44.60.1 contains an allowlist bypass vulnerability that allows repository users to evade the allowedHeaders restriction by placing hostRules headers inside shared presets. Attackers can supply internal or externally sourced presets with unvalidated hostRules[].headers to inject custom HTTP headers into requests Renovate sends to other hosts.","published":"2026-10-14T23:17:28.000Z","lastModified":"2026-10-26T16:17:12.000Z","status":"Awaiting Analysis","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":7.1,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-424"],"affected":[],"epss":{"score":0.00185,"percentile":0.07998,"date":"2026-10-26","history":[{"date":"2026-10-15","score":0.00185,"percentile":0.07538}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-14T23:17:28.000Z","detail":{"score":"7.1","severity":"HIGH","publishedAt":"2026-10-14T23:17:28.110Z"},"summary":"New CVE, high severity (CVSS 7.1)."}],"references":[{"url":"https://github.com/renovatebot/renovate/security/advisories/GHSA-6j6f-fh7w-vvjr","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/renovate-before-44.60.1-http-header-allowlist-bypass-via-shared-presets","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-110865","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."}