{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-2812 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-2812 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-2812 is a medium-severity authentication bypass vulnerability in Esri Arcgis Server, published on 20 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-2026-2812 and fix it if it is affected.\n\nWhat it is: CVE-2026-2812 is a medium-severity authentication bypass vulnerability in Esri Arcgis Server, published on 20 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-2026-2812 in the wild and no public exploit code.\n\nAffected product: Esri Arcgis Server. 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-2026-2812/ (Markdown: https://insights.sbomify.com/CVE-2026-2812/index.md)","id":"CVE-2026-2812","markdown":"https://insights.sbomify.com/CVE-2026-2812/index.md","name":"CVE-2026-2812","record":{"aliases":["GHSA-3wjj-6pp2-788h"],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"GIS server software","requires_auth":"none","summary":"An unauthenticated attacker can disrupt the web interface of ArcGIS Server by exploiting an improper authentication flaw in an undocumented administrative endpoint.","user_interaction":"not_required","vuln_class":"auth_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Esri","cpe":[{"product":"arcgis_server","vendor":"esri"}],"cvss":{"score":5.3,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"cwes":[{"id":"CWE-287","name":"Improper Authentication"}],"description":"ArcGIS Server contains an improper authentication vulnerability in an undocumented administrative endpoint. An unauthenticated attacker could exploit this issue by sending a crafted request to the endpoint. Successful exploitation may result in disruption of the web-based browsing interface. This issue affects ArcGIS Server 12.0 and earlier.","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":"Improper Authentication issue in ArcGIS Server","id":"CVE-2026-2812","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"esri:arcgis_server","products":["esri:arcgis_server"],"type":"auth_bypass","year":"2026"},"n_packages":0,"n_references":1,"next":{"headline":"Unvalidated Redirect in ArcGIS Server","id":"CVE-2026-2813"},"packages":[],"prev":{"headline":"Ajaxify Comments \u003c 3.2 - Unauthenticated HTTP Header Injection","id":"CVE-2026-2811"},"products":["ArcGIS Server"],"published":"2026-05-20","related":[{"cvss_score":10,"headline":"BUG-000179884 - There is a security vulnerability in ArcGIS Server Feature Services.","id":"CVE-2025-57870","kev_date_added":null,"published":"2025-10-22"},{"cvss_score":9.8,"headline":"Directory Traversal in ArcGIS Server","id":"CVE-2026-9181","kev_date_added":null,"published":"2026-07-06"},{"cvss_score":9.8,"headline":"Unvalidated File Upload vulnerability in ArcGIS Server.","id":"CVE-2026-9182","kev_date_added":null,"published":"2026-07-06"},{"cvss_score":9.8,"headline":"Server-side request forgery in n/a","id":"CVE-2020-35712","kev_date_added":null,"published":"2020-12-25"},{"cvss_score":9.1,"headline":"There is a Server-Side Request Forgery (SSRF) vulnerability in Esri ArcGIS Server Manager version 10.8.1 and below.","id":"CVE-2021-29102","kev_date_added":null,"published":"2021-07-11"},{"cvss_score":8.7,"headline":"SQL injection vulnerability in ArcGIS Server","id":"CVE-2024-51962","kev_date_added":null,"published":"2025-03-03"},{"cvss_score":8.5,"headline":"Unauthorized access to secure services in ArcGIS Server","id":"CVE-2024-51954","kev_date_added":null,"published":"2025-03-03"}],"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":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-05-20","vendors":["Esri"]},"summary":"An unauthenticated attacker can disrupt the web interface of ArcGIS Server by exploiting an improper authentication flaw in an undocumented administrative endpoint.","url":"https://insights.sbomify.com/CVE-2026-2812/"}