{"answers":{"affected":"4 open source packages ship an affected version, including github.com/seaweedfs/seaweedfs and seaweedfs.","exploited":"There is no known exploitation of CVE-2026-72921 in the wild and no public exploit code.","fix":"Upgrade github.com/seaweedfs/seaweedfs to 0.0.0-20260512171048-05ed5c9ae8a2 or later.","what":"CVE-2026-72921 is a high-severity authentication bypass vulnerability in seaweedfs, published on 11 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-72921 and fix it if it is affected.\n\nWhat it is: CVE-2026-72921 is a high-severity authentication bypass vulnerability in seaweedfs, published on 11 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-72921 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- github.com/seaweedfs/seaweedfs (Go): affected all versions; fixed in 0.0.0-20260512171048-05ed5c9ae8a2\n- github.com/seaweedfs/seaweedfs (Go): affected all versions; fixed in 0.0.0-20260512171048-05ed5c9ae8a2\n- github.com/seaweedfs/seaweedfs (Go): affected all versions; fixed in 0.0.0-20260512171048-05ed5c9ae8a2\n- seaweedfs (Bitnami): affected all versions; fixed in 4.24.0\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-2026-72921/ (Markdown: https://insights.sbomify.com/CVE-2026-72921/index.md)","id":"CVE-2026-72921","markdown":"https://insights.sbomify.com/CVE-2026-72921/index.md","name":"CVE-2026-72921","record":{"aliases":["BIT-seaweedfs-2026-72921","GHSA-gv5w-hfx8-8cwq","GO-2026-6361","MINI-47cq-q2wm-xq4m","MINI-fmfq-w4w4-jp9c"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["data_read","data_modify"],"network_reachable":"yes","non_default_config":false,"product_category":"Distributed storage system","requires_auth":"low_privilege","summary":"Attackers with a scoped JWT can access sibling tenant paths due to flawed prefix matching, enabling cross-tenant data access.","user_interaction":"not_required","vuln_class":"auth_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[],"cvss":{"score":8.1,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"cwes":[{"id":"CWE-863","name":"Incorrect Authorization"}],"description":"SeaweedFS is a distributed storage system. Prior to 4.24, the weed/server/filer_server_handlers.go allowed_prefixes authorization check used strings.HasPrefix on raw path strings, so a filer JWT scoped to /tenant1 also authorized sibling paths such as /tenant1234, /tenant1-old, and /tenant1backup, enabling cross-tenant reads and writes with a valid scoped token. This issue is fixed in version 4.24.","ecosystems":["Bitnami","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":"SeaweedFS: Filer JWT allowed_prefixes literal prefix match allows cross-tenant access to sibling paths","id":"CVE-2026-72921","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Bitnami","product":null,"products":[],"type":"auth_bypass","year":"2026"},"n_packages":4,"n_references":4,"next":{"headline":"AutoGPT: Webhook provider path confusion bypasses generic webhook secret verification","id":"CVE-2026-72922"},"packages":[{"ecosystem":"Bitnami","fixed":["4.24.0"],"introduced":["0"],"last_affected":[],"package":"seaweedfs","purl":"pkg:bitnami/seaweedfs","source":"BIT-seaweedfs-2026-72921"},{"ecosystem":"Go","fixed":["0.0.0-20260512171048-05ed5c9ae8a2"],"introduced":["0"],"last_affected":[],"package":"github.com/seaweedfs/seaweedfs","purl":null,"source":"GHSA-gv5w-hfx8-8cwq"},{"ecosystem":"Go","fixed":["0.0.0-20260512171048-05ed5c9ae8a2"],"introduced":["0"],"last_affected":[],"package":"github.com/seaweedfs/seaweedfs","purl":"pkg:golang/github.com/seaweedfs/seaweedfs","source":"GHSA-gv5w-hfx8-8cwq"},{"ecosystem":"Go","fixed":["0.0.0-20260512171048-05ed5c9ae8a2"],"introduced":["0"],"last_affected":[],"package":"github.com/seaweedfs/seaweedfs","purl":"pkg:golang/github.com/seaweedfs/seaweedfs","source":"GO-2026-6361"}],"prev":{"headline":"SeaweedFS: Unauthenticated filer IAM gRPC service grants S3 administrative control","id":"CVE-2026-72920"},"products":["seaweedfs"],"published":"2026-08-11","related":[],"sources":[{"class":"attribution","licence":"Apache-2.0","name":"Bitnami","prefix":"BIT"},{"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":"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":"2026-08-13","vendors":["seaweedfs"]},"summary":"Attackers with a scoped JWT can access sibling tenant paths due to flawed prefix matching, enabling cross-tenant data access.","url":"https://insights.sbomify.com/CVE-2026-72921/"}