{"answers":{"affected":"6 open source packages ship an affected version, including github.com/openziti/zrok and github.com/openziti/zrok/v2. It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-42275 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2026-42275 is a high-severity path traversal vulnerability in openziti zrok, published on 8 May 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-2026-42275 and fix it if it is affected.\n\nWhat it is: CVE-2026-42275 is a high-severity path traversal vulnerability in openziti zrok, published on 8 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-42275 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- github.com/openziti/zrok (Go): affected all versions; no fix listed\n- github.com/openziti/zrok (Go): affected all versions up to 1.1.11; no fix listed\n- github.com/openziti/zrok (Go): affected all versions up to 1.1.11; no fix listed\n- github.com/openziti/zrok/v2 (Go): affected all versions; fixed in 2.0.2\n- github.com/openziti/zrok/v2 (Go): affected all versions; fixed in 2.0.2\n- github.com/openziti/zrok/v2 (Go): affected all versions; fixed in 2.0.2\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-2026-42275/ (Markdown: https://insights.sbomify.com/CVE-2026-42275/index.md)","id":"CVE-2026-42275","markdown":"https://insights.sbomify.com/CVE-2026-42275/index.md","name":"CVE-2026-42275","record":{"aliases":["GHSA-74m3-9qvm-rp9h","GO-2026-5203"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["data_read","data_modify"],"network_reachable":"yes","non_default_config":false,"product_category":"zrok WebDAV backend","requires_auth":"none","summary":"Remote attackers can read or write arbitrary host files via symlink following in the zrok WebDAV backend, bypassing DriveRoot restrictions.","user_interaction":"not_required","vuln_class":"path_traversal"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"zrok","vendor":"netfoundry"}],"cvss":{"score":8.7,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","version":"3.1"},"cwes":[{"id":"CWE-61","name":"UNIX Symbolic Link (Symlink) Following"},{"id":"CWE-22","name":"Improper Limitation of a Pathname to a Restricted Directory"}],"description":"zrok is software for sharing web services, files, and network resources. Prior to version 2.0.2, the zrok WebDAV drive backend (davServer.Dir) restricts path traversal through lexical normalization but does not prevent symlink following. When a symbolic link inside the shared DriveRoot points to a location outside that root, remote WebDAV consumers can read files and—on shares without OS-level permission restrictions—write or overwrite files anywhere on the host filesystem accessible to the zrok process. This issue has been patched in version 2.0.2.","ecosystems":["Go"],"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":"zrok: WebDAV drive backend follows symlinks outside DriveRoot, enabling host filesystem read/write","id":"CVE-2026-42275","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Go","product":null,"products":[],"type":"path_traversal","year":"2026"},"n_packages":6,"n_references":3,"next":{"headline":"Onyx: IDOR in /chat/stop-chat-session allows any authenticated user to interrupt other users chat sessions","id":"CVE-2026-42276"},"packages":[{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":[],"package":"github.com/openziti/zrok","purl":"pkg:golang/github.com/openziti/zrok","source":"GO-2026-5203"},{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":["1.1.11"],"package":"github.com/openziti/zrok","purl":null,"source":"GHSA-74m3-9qvm-rp9h"},{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":["1.1.11"],"package":"github.com/openziti/zrok","purl":"pkg:golang/github.com/openziti/zrok","source":"GHSA-74m3-9qvm-rp9h"},{"ecosystem":"Go","fixed":["2.0.2"],"introduced":["0"],"last_affected":[],"package":"github.com/openziti/zrok/v2","purl":null,"source":"GHSA-74m3-9qvm-rp9h"},{"ecosystem":"Go","fixed":["2.0.2"],"introduced":["0"],"last_affected":[],"package":"github.com/openziti/zrok/v2","purl":"pkg:golang/github.com/openziti/zrok/v2","source":"GHSA-74m3-9qvm-rp9h"},{"ecosystem":"Go","fixed":["2.0.2"],"introduced":["0"],"last_affected":[],"package":"github.com/openziti/zrok/v2","purl":"pkg:golang/github.com/openziti/zrok/v2","source":"GO-2026-5203"}],"prev":{"headline":"Heimdall: Authorization bypass via path normalization mismatch","id":"CVE-2026-42274"},"products":["zrok"],"published":"2026-05-08","related":[{"cvss_score":9.9,"headline":"zrok Python ProxyShare can be used as an SSRF proxy through absolute URL paths","id":"CVE-2026-45568","kev_date_added":null,"published":"2026-07-16"},{"cvss_score":8.3,"headline":"zrok copy writes attacker-controlled WebDAV paths outside the destination root","id":"CVE-2026-45576","kev_date_added":null,"published":"2026-07-16"},{"cvss_score":7.5,"headline":"zrok allows unauthenticated DoS via unbounded memory allocation in striped session cookie parsing","id":"CVE-2026-40303","kev_date_added":null,"published":"2026-04-17"},{"cvss_score":6.1,"headline":"zrok has reflected XSS in GitHub OAuth callback via unsanitized refreshInterval error rendering","id":"CVE-2026-40302","kev_date_added":null,"published":"2026-04-17"},{"cvss_score":5.3,"headline":"zrok's broken ownership check in DELETE /api/v2/unaccess allows non-admin to delete global frontend records","id":"CVE-2026-40304","kev_date_added":null,"published":"2026-04-17"}],"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":"CC BY 4.0","name":"Go Vulnerability Database","prefix":"GO"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-05-08","vendors":["openziti"]},"summary":"Remote attackers can read or write arbitrary host files via symlink following in the zrok WebDAV backend, bypassing DriveRoot restrictions.","url":"https://insights.sbomify.com/CVE-2026-42275/"}