{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2021-26859 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2021-26859 yet. Limit exposure of the affected software until one is available.","what":"CVE-2021-26859 is a high-severity vulnerability in Microsoft Power BI Report Server version 15.0.1103.234, published on 11 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-2021-26859 and fix it if it is affected.\n\nWhat it is: CVE-2021-26859 is a high-severity vulnerability in Microsoft Power BI Report Server version 15.0.1103.234, published on 11 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-2021-26859 in the wild and no public exploit code.\n\nAffected product: Microsoft Power BI Report Server version 15.0.1103.234. 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-2021-26859/ (Markdown: https://insights.sbomify.com/CVE-2021-26859/index.md)","id":"CVE-2021-26859","markdown":"https://insights.sbomify.com/CVE-2021-26859/index.md","name":"CVE-2021-26859","record":{"aliases":["GHSA-8ff9-hr9f-57m5"],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["data_read"],"network_reachable":"yes","non_default_config":false,"product_category":"Power BI Report Server","requires_auth":"low_privilege","summary":"An attacker can exploit this vulnerability in Microsoft Power BI Report Server to disclose sensitive information.","user_interaction":"not_required","vuln_class":"information_disclosure"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"microsoft","cpe":[{"product":"power_bi_report_server","vendor":"microsoft"}],"cvss":{"score":7.7,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C","version":"3.1"},"cwes":[],"description":"Microsoft Power BI Information Disclosure Vulnerability","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"Microsoft Power BI Information Disclosure Vulnerability","id":"CVE-2021-26859","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"information_disclosure","year":"2021"},"n_packages":0,"n_references":1,"next":{"headline":"Windows App-V Overlay Filter Elevation of Privilege Vulnerability","id":"CVE-2021-26860"},"packages":[],"prev":{"headline":"Microsoft Exchange Server Remote Code Execution","id":"CVE-2021-26858"},"products":["Power BI Report Server version 15.0.1103.234","Power BI Report Server version 15.0.1104.300"],"published":"2021-03-11","related":[{"cvss_score":8.8,"headline":"Power BI Remote Code Execution Vulnerability","id":"CVE-2026-65811","kev_date_added":null,"published":"2026-08-11"},{"cvss_score":8.2,"headline":"Power BI Report Server Spoofing Vulnerability","id":"CVE-2023-21806","kev_date_added":null,"published":"2023-02-14"},{"cvss_score":8,"headline":"Microsoft PowerBI Report Server Spoofing Vulnerability","id":"CVE-2026-58647","kev_date_added":null,"published":"2026-07-14"},{"cvss_score":8,"headline":"Power BI Remote Code Execution Vulnerability","id":"CVE-2026-21229","kev_date_added":null,"published":"2026-02-10"},{"cvss_score":7.6,"headline":"Power BI Report Server Spoofing Vulnerability","id":"CVE-2021-41372","kev_date_added":null,"published":"2021-11-10"},{"cvss_score":7.6,"headline":"Power BI Remote Code Execution Vulnerability","id":"CVE-2021-31984","kev_date_added":null,"published":"2021-07-14"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"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":"2026-08-19","vendors":["Microsoft"]},"summary":"An attacker can exploit this vulnerability in Microsoft Power BI Report Server to disclose sensitive information.","url":"https://insights.sbomify.com/CVE-2021-26859/"}