{"answers":{"affected":"2 open source packages ship an affected version, including nodemailer.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-92596 exists.","fix":"Upgrade nodemailer to 9.1.0 or later.","what":"CVE-2026-92596 is a high-severity denial of service vulnerability in nodemailer, published on 16 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-92596 and fix it if it is affected.\n\nWhat it is: CVE-2026-92596 is a high-severity denial of service vulnerability in nodemailer, published on 16 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-92596 exists.\n\nAffected packages and fixed versions:\n- nodemailer (npm): affected all versions; fixed in 9.1.0\n- nodemailer (npm): affected all versions; fixed in 9.1.0\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-92596/ (Markdown: https://insights.sbomify.com/CVE-2026-92596/index.md)","id":"CVE-2026-92596","markdown":"https://insights.sbomify.com/CVE-2026-92596/index.md","name":"CVE-2026-92596","record":{"aliases":["CLEANSTART-2026-DX95519","CLEANSTART-2026-NH33763","CLEANSTART-2026-QL18183","CLSA-2026-1791795466","CLSA-2026-1791806342","CLSA-2026-1791814986","DEBIAN-CVE-2026-92596","ECHO-647b-63be-59c8","GHSA-2x7j-588g-ccc2","GHSA-v554-hhrr-96v5","MINI-2834-8w3m-3r4g","MINI-2gfq-rgrf-9vwr","MINI-535v-9qr7-5fff","MINI-53wr-qp74-c4vm","MINI-59v6-f3j4-hjm5","MINI-67m2-mf9x-qwgr","MINI-74r6-xf6p-vxqx","MINI-gjr9-qg8h-fhm3","MINI-hm33-4x74-3385","MINI-hw5p-54hv-94hw","MINI-jwcx-r2gh-83v7","MINI-m68g-8hmj-qxhf","MINI-pf37-47m5-xf54","MINI-pfhm-hv4p-vp57","MINI-rxc4-6jw4-3m7f","MINI-x28w-jvjj-8mc7","ROOT-APP-NPM-GHSA-2x7j-588g-ccc2","UBUNTU-CVE-2026-92596"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Node.js email library","requires_auth":"none","summary":"Remote attackers can cause denial of service in Nodemailer by sending crafted email addresses, blocking the Node.js event loop and consuming CPU resources.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulnCheck","cpe":[],"cvss":{"score":8.7,"severity":"high","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-400","name":"Uncontrolled Resource Consumption"}],"description":"Nodemailer before 9.1.0 contains a quadratic time complexity vulnerability in the addressparser component that allows remote attackers to cause denial of service by supplying a crafted comma-separated address list. Attackers can send a single email with a large number of addresses to block the Node.js event loop for extended periods, consuming 100% CPU and freezing the process.","ecosystems":["npm"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":true,"headline":"Nodemailer before 9.1.0 Denial of Service via addressparser","id":"CVE-2026-92596","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"npm","product":null,"products":[],"type":"denial_of_service","year":"2026"},"n_packages":2,"n_references":6,"next":{"headline":"Nodemailer before 9.1.0 Email Domain Validation Bypass via RFC 5322 Comment","id":"CVE-2026-92597"},"packages":[{"ecosystem":"npm","fixed":["9.1.0"],"introduced":["0"],"last_affected":[],"package":"nodemailer","purl":null,"source":"GHSA-2x7j-588g-ccc2"},{"ecosystem":"npm","fixed":["9.1.0"],"introduced":["0"],"last_affected":[],"package":"nodemailer","purl":"pkg:npm/nodemailer","source":"GHSA-2x7j-588g-ccc2"}],"prev":{"headline":"Nodemailer before 9.1.1 Security Sandbox Bypass via resolveContent","id":"CVE-2026-92595"},"products":["nodemailer"],"published":"2026-09-16","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-09-17","vendors":["nodemailer"]},"summary":"Remote attackers can cause denial of service in Nodemailer by sending crafted email addresses, blocking the Node.js event loop and consuming CPU resources.","url":"https://insights.sbomify.com/CVE-2026-92596/"}