{"answers":{"affected":"It affects 1 product.","exploited":"Yes. Attackers have exploited CVE-2023-49105 in the wild since at least 27 Aug 2026.","fix":"No fix has been published for CVE-2023-49105 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 30 Aug 2026.","what":"CVE-2023-49105 is a critical authentication bypass vulnerability in Owncloud Owncloud Server, published on 21 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2023-49105 and fix it if it is affected.\n\nWhat it is: CVE-2023-49105 is a critical authentication bypass vulnerability in Owncloud Owncloud Server, published on 21 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: Yes. Attackers have exploited CVE-2023-49105 in the wild since at least 27 Aug 2026.\n\nAffected product: Owncloud Owncloud 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-2023-49105/ (Markdown: https://insights.sbomify.com/CVE-2023-49105/index.md)","id":"CVE-2023-49105","markdown":"https://insights.sbomify.com/CVE-2023-49105/index.md","name":"CVE-2023-49105","record":{"aliases":["GHSA-585g-f852-v6p4"],"analysis":{"component_type":"web_application","fix_type":"upgrade","impacts":["data_read","data_modify"],"network_reachable":"yes","non_default_config":true,"product_category":"ownCloud server","requires_auth":"none","summary":"Attackers can access, modify, or delete files without authentication if the victim lacks a signing key, affecting ownCloud server deployments.","user_interaction":"not_required","vuln_class":"auth_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mitre","cpe":[{"product":"owncloud_server","vendor":"owncloud"}],"cvss":{"score":9.8,"severity":"critical","source":"cna","vector":"CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N","version":"3.1"},"cwes":[{"id":"CWE-287","name":"Improper Authentication"}],"description":"An issue was discovered in ownCloud owncloud/core before 10.13.1. An attacker can access, modify, or delete any file without authentication if the username of a victim is known, and the victim has no signing-key configured. This occurs because pre-signed URLs can be accepted even when no signing-key is configured for the owner of the files. The earliest affected version is 10.6.0.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":"2023-12-05","github_poc":1,"max_poc_stars":41,"metasploit":0,"nuclei":0,"refs":[{"date":"2023-12-05T11:35:12Z","kind":"github_poc","ref":"https://github.com/ambionics/owncloud-exploits","stars":41,"title":"ownCloud exploits for CVE-2023-49105"}],"tier":"exploited"},"has_fix":false,"headline":"ownCloud Improper Authentication","id":"CVE-2023-49105","indexable":true,"kev":{"dateAdded":"2026-08-27","dueDate":"2026-08-30","knownRansomwareCampaignUse":"Unknown","product":"ownCloud","requiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","vendorProject":"ownCloud","vulnerabilityName":"ownCloud Improper Authentication Vulnerability"},"kind":"cve","links":{"ecosystem":null,"product":"owncloud:owncloud_server","products":["owncloud:owncloud_server"],"type":"auth_bypass","year":"2023"},"n_packages":0,"n_references":2,"next":{"headline":"Missing Password Field Masking Vulnerability in Hitachi Device Manager","id":"CVE-2023-49106"},"packages":[],"prev":{"headline":"Open redirect in n/a","id":"CVE-2023-49104"},"products":["n/a"],"published":"2023-11-21","related":[{"cvss_score":9,"headline":"Code injection in n/a","id":"CVE-2015-7699","kev_date_added":null,"published":"2015-10-26"},{"cvss_score":7.5,"headline":"Path traversal in n/a","id":"CVE-2015-6500","kev_date_added":null,"published":"2015-10-26"},{"cvss_score":7.5,"headline":"Code injection in n/a","id":"CVE-2014-2051","kev_date_added":null,"published":"2014-06-05"},{"cvss_score":7.5,"headline":"PHPExcel vulnerable to XXE attacks through libxml","id":"CVE-2014-2054","kev_date_added":null,"published":"2014-06-04"},{"cvss_score":7.5,"headline":"XML external entity in n/a","id":"CVE-2014-2056","kev_date_added":null,"published":"2014-06-04"},{"cvss_score":7.5,"headline":"Auth bypass in n/a","id":"CVE-2012-4392","kev_date_added":null,"published":"2012-09-05"}],"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":"open","licence":"CC0 1.0","name":"CISA KEV"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":"yes","exploitation":"active","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-08-28","vendors":["n/a"]},"summary":"Attackers can access, modify, or delete files without authentication if the victim lacks a signing key, affecting ownCloud server deployments.","url":"https://insights.sbomify.com/CVE-2023-49105/"}