{"answers":{"affected":"2 open source packages ship an affected version, including org.apache.druid:druid. It affects 1 product.","exploited":"There is no known exploitation of CVE-2021-26919 in the wild and no public exploit code.","fix":"Upgrade org.apache.druid:druid to 0.20.2 or later.","what":"CVE-2021-26919 is a high-severity code injection vulnerability in Apache Druid, published on 30 Mar 2021. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-26919 and fix it if it is affected.\n\nWhat it is: CVE-2021-26919 is a high-severity code injection vulnerability in Apache Druid, published on 30 Mar 2021. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2021-26919 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- org.apache.druid:druid (Maven): affected all versions; fixed in 0.20.2\n- org.apache.druid:druid (Maven): affected all versions; fixed in 0.20.2\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-2021-26919/ (Markdown: https://insights.sbomify.com/CVE-2021-26919/index.md)","id":"CVE-2021-26919","markdown":"https://insights.sbomify.com/CVE-2021-26919/index.md","name":"CVE-2021-26919","record":{"aliases":["GHSA-jj4f-p7vv-j4v9"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["code_execution"],"network_reachable":"yes","non_default_config":false,"product_category":"Apache Druid","requires_auth":"low_privilege","summary":"Authenticated users can execute arbitrary code on Apache Druid servers by connecting to a malicious MySQL database via JDBC.","user_interaction":"not_required","vuln_class":"code_injection"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"apache","cpe":[{"product":"druid","vendor":"apache"}],"cvss":{"score":8.8,"severity":"high","source":"nvd","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[],"description":"Apache Druid allows users to read data from other database systems using JDBC. This functionality is to allow trusted users with the proper permissions to set up lookups or submit ingestion tasks. The MySQL JDBC driver supports certain properties, which, if left unmitigated, can allow an attacker to execute arbitrary code from a hacker-controlled malicious MySQL server within Druid server processes. This issue was addressed in Apache Druid 0.20.2","ecosystems":["Maven"],"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":"Apache Druid Authenticated users can execute arbitrary code from malicious MySQL database systems.","id":"CVE-2021-26919","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Maven","product":null,"products":[],"type":"code_injection","year":"2021"},"n_packages":2,"n_references":9,"next":{"headline":"Apache Druid: The HTTP inputSource allows authenticated users to read data from other sources than intended","id":"CVE-2021-26920"},"packages":[{"ecosystem":"Maven","fixed":["0.20.2"],"introduced":["0"],"last_affected":[],"package":"org.apache.druid:druid","purl":null,"source":"GHSA-jj4f-p7vv-j4v9"},{"ecosystem":"Maven","fixed":["0.20.2"],"introduced":["0"],"last_affected":[],"package":"org.apache.druid:druid","purl":"pkg:maven/org.apache.druid/druid","source":"GHSA-jj4f-p7vv-j4v9"}],"prev":{"headline":"File upload in n/a","id":"CVE-2021-26918"},"products":["Apache Druid"],"published":"2021-03-30","related":[{"cvss_score":9.8,"headline":"Apache Druid: Authentication Bypass via LDAP Anonymous Bind","id":"CVE-2026-23906","kev_date_added":null,"published":"2026-02-10"},{"cvss_score":9.8,"headline":"Apache Druid: Kerberos authenticaton chooses a cryptographically unsecure secret if not configured explicitly.","id":"CVE-2025-59390","kev_date_added":null,"published":"2025-11-26"},{"cvss_score":8.8,"headline":"Authenticated users can override system configurations in their requests which allows them to execute arbitrary code.","id":"CVE-2021-25646","kev_date_added":null,"published":"2021-01-29"},{"cvss_score":6.5,"headline":"Apache Druid: Users can provide MySQL JDBC properties not on allow list","id":"CVE-2024-45537","kev_date_added":null,"published":"2024-09-17"},{"cvss_score":6.5,"headline":"Druid ingestion system Authenticated users can read data from other sources than intended","id":"CVE-2021-36749","kev_date_added":null,"published":"2021-09-24"},{"cvss_score":6.5,"headline":"Apache Druid: The HTTP inputSource allows authenticated users to read data from other sources than intended","id":"CVE-2021-26920","kev_date_added":null,"published":"2021-07-02"}],"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":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2025-02-13","vendors":["Apache Software Foundation"]},"summary":"Authenticated users can execute arbitrary code on Apache Druid servers by connecting to a malicious MySQL database via JDBC.","url":"https://insights.sbomify.com/CVE-2021-26919/"}