{"answers":{"affected":"2 open source packages ship an affected version, including @graphql-tools/executor-legacy-ws.","exploited":"There is no known exploitation of CVE-2026-118665 in the wild and no public exploit code.","fix":"Upgrade @graphql-tools/executor-legacy-ws to 1.1.36 or later.","what":"CVE-2026-118665 is a high-severity vulnerability in @graphql-tools executor-legacy-ws, published on 28 Oct 2026."},"fix_prompt":"Check this codebase for CVE-2026-118665 and fix it if it is affected.\n\nWhat it is: CVE-2026-118665 is a high-severity vulnerability in @graphql-tools executor-legacy-ws, published on 28 Oct 2026. \nExploitation: There is no known exploitation of CVE-2026-118665 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- @graphql-tools/executor-legacy-ws (npm): affected all versions; fixed in 1.1.36\n- @graphql-tools/executor-legacy-ws (npm): affected all versions; fixed in 1.1.36\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-2026-118665/ (Markdown: https://insights.sbomify.com/CVE-2026-118665/index.md)","id":"CVE-2026-118665","markdown":"https://insights.sbomify.com/CVE-2026-118665/index.md","name":"CVE-2026-118665","record":{"aliases":["GHSA-434m-5hcj-pxf3"],"analysis":null,"analysis_generated_by":null,"assigner":"GitHub_M","cpe":[],"cvss":{"score":8.2,"severity":"high","source":"cna","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-613","name":"DEPRECATED: Insufficient Session Expiration"}],"description":"GraphQL Tools provides utilities for building, stitching, and mocking GraphQL schemas. Prior to version 1.1.36 of the GraphQL Tools legacy WebSocket executor package, buildWSLegacyExecutor in packages/executors/legacy-ws/src/index.ts retains request.extensions.connectionParams in the closure-scoped executorConnectionParams object after cleanupWebsocket closes a connection. When one executor is reused across different authorization contexts, a later request that omits a sensitive key can send an earlier caller's Authorization or tenant value in its connection_init payload, causing the downstream server to authenticate the later caller as the earlier user. Applications that create a new executor for every request are not affected. This issue is fixed in version 1.1.36 of the GraphQL Tools legacy WebSocket executor package.","ecosystems":["npm"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"GraphQL Tools: Per-request connection parameters persist into later users' WebSocket authentications","id":"CVE-2026-118665","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"npm","product":null,"products":[],"type":null,"year":"2026"},"n_packages":2,"n_references":4,"next":{"headline":"GraphQL Tools: Shared legacy executor routes one subscription's results to a different caller","id":"CVE-2026-118666"},"packages":[{"ecosystem":"npm","fixed":["1.1.36"],"introduced":["0"],"last_affected":[],"package":"@graphql-tools/executor-legacy-ws","purl":null,"source":"GHSA-434m-5hcj-pxf3"},{"ecosystem":"npm","fixed":["1.1.36"],"introduced":["0"],"last_affected":[],"package":"@graphql-tools/executor-legacy-ws","purl":"pkg:npm/%40graphql-tools/executor-legacy-ws","source":"GHSA-434m-5hcj-pxf3"}],"prev":{"headline":"decode-uri-component: Denial of service via quadratic replacement of percent-encoded runs","id":"CVE-2026-118664"},"products":["executor-legacy-ws","graphql-tools"],"published":"2026-10-28","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":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2026-10-28","vendors":["@graphql-tools","ardatan"]},"summary":null,"url":"https://insights.sbomify.com/CVE-2026-118665/"}