{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-108839 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-108839 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-108839 is a low-severity path traversal vulnerability in thClaws, published on 11 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2026-108839 and fix it if it is affected.\n\nWhat it is: CVE-2026-108839 is a low-severity path traversal vulnerability in thClaws, published on 11 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.\nExploitation: There is no known exploitation of CVE-2026-108839 in the wild and no public exploit code.\n\nAffected product: thClaws. No package-level version data is available, so check the vendor advisory linked from the reference page.\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-2026-108839/ (Markdown: https://insights.sbomify.com/CVE-2026-108839/index.md)","id":"CVE-2026-108839","markdown":"https://insights.sbomify.com/CVE-2026-108839/index.md","name":"CVE-2026-108839","record":{"aliases":["GHSA-8c39-3r7m-gwc4"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["data_modify","privilege_escalation"],"network_reachable":"yes","non_default_config":false,"product_category":"thClaws API server","requires_auth":"none","summary":"Attackers can exploit symlink following in the API to write or truncate files outside the workspace with daemon privileges.","user_interaction":"required","vuln_class":"path_traversal"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulnCheck","cpe":[],"cvss":{"score":2.3,"severity":"low","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-59","name":"Improper Link Resolution Before File Access"}],"description":"thClaws through 0.141.0 contains a link-following vulnerability in the post_inputs handler of the v1 API POST /v1/inputs endpoint that allows writes outside the workspace by following symlinks. Attackers who plant a symlink under the allowed inputs/ prefix can cause later authenticated uploads to write or truncate files outside the workspace with daemon privileges.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":false,"headline":"thClaws through 0.141.0 Symlink Following File Write via POST /v1/inputs","id":"CVE-2026-108839","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"path_traversal","year":"2026"},"n_packages":0,"n_references":4,"next":{"headline":"Company Research Agent through 2.2.0 SSRF via /generate-pdf ReportLab Markup","id":"CVE-2026-108850"},"packages":[],"prev":{"headline":"Apache Kylin: Potential computed-column resource exhaustion","id":"CVE-2026-108837"},"products":["thClaws"],"published":"2026-10-11","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"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":"partial"},"state":"PUBLISHED","updated":"2026-10-18","vendors":["thClaws"]},"summary":"Attackers can exploit symlink following in the API to write or truncate files outside the workspace with daemon privileges.","url":"https://insights.sbomify.com/CVE-2026-108839/"}