{"answers":{"affected":"2 open source packages ship an affected version, including vaultwarden. It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-27803 in the wild and no public exploit code.","fix":"Upgrade vaultwarden to 1.35.4 or later.","what":"CVE-2026-27803 is a high-severity missing authorization vulnerability in dani-garcia vaultwarden, published on 4 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-27803 and fix it if it is affected.\n\nWhat it is: CVE-2026-27803 is a high-severity missing authorization vulnerability in dani-garcia vaultwarden, published on 4 Mar 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-2026-27803 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- vaultwarden (crates.io): affected all versions; fixed in 1.35.4\n- vaultwarden (crates.io): affected all versions; fixed in 1.35.4\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-2026-27803/ (Markdown: https://insights.sbomify.com/CVE-2026-27803/index.md)","id":"CVE-2026-27803","markdown":"https://insights.sbomify.com/CVE-2026-27803/index.md","name":"CVE-2026-27803","record":{"aliases":["GHSA-h4hq-rgvh-wh27"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["privilege_escalation","data_modify"],"network_reachable":"yes","non_default_config":false,"product_category":"Password manager server","requires_auth":"low_privilege","summary":"Attackers with collection access can perform unauthorized management operations despite lacking the manage permission, requiring an upgrade to Vaultwarden.","user_interaction":"not_required","vuln_class":"missing_authorization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"vaultwarden","vendor":"dani-garcia"}],"cvss":{"score":8.3,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","version":"3.1"},"cwes":[{"id":"CWE-863","name":"Incorrect Authorization"},{"id":"CWE-285","name":"Improper Authorization"},{"id":"CWE-269","name":"Improper Privilege Management"}],"description":"Vaultwarden is an unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs. Prior to version 1.35.4, when a Manager has manage=false for a given collection, they can still perform several management operations as long as they have access to the collection. This issue has been patched in version 1.35.4.","ecosystems":["crates.io"],"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":"Vaultwarden: Collection Management Operations Allowed Without `manage` Verification for Manager Role","id":"CVE-2026-27803","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"crates.io","product":null,"products":[],"type":"missing_authorization","year":"2026"},"n_packages":2,"n_references":1,"next":{"headline":"Parse Server: Account takeover via JWT algorithm confusion in Google auth adapter","id":"CVE-2026-27804"},"packages":[{"ecosystem":"crates.io","fixed":["1.35.4"],"introduced":["0"],"last_affected":[],"package":"vaultwarden","purl":null,"source":"GHSA-h4hq-rgvh-wh27"},{"ecosystem":"crates.io","fixed":["1.35.4"],"introduced":["0"],"last_affected":[],"package":"vaultwarden","purl":"pkg:cargo/vaultwarden","source":"GHSA-h4hq-rgvh-wh27"}],"prev":{"headline":"Vaultwarden: Privilege Escalation via Bulk Permission Update to Unauthorized Collections by Manager","id":"CVE-2026-27802"},"products":["vaultwarden"],"published":"2026-03-04","related":[{"cvss_score":9.8,"headline":"Vaultwarden vulnerable to user impersonation","id":"CVE-2024-55225","kev_date_added":null,"published":"2025-01-09"},{"cvss_score":9.6,"headline":"Vaultwarden HTML injection vulnerability","id":"CVE-2024-55224","kev_date_added":null,"published":"2025-01-09"},{"cvss_score":8.8,"headline":"Privilege escalation in n/a","id":"CVE-2024-39924","kev_date_added":null,"published":"2024-09-13"},{"cvss_score":8.7,"headline":"Vaultwarden: Cross-Org Group Binding Enables Unauthorized Read And Write Access Into Another Organization","id":"CVE-2026-43912","kev_date_added":null,"published":"2026-05-11"},{"cvss_score":8.3,"headline":"Vaultwarden: Privilege Escalation via Bulk Permission Update to Unauthorized Collections by Manager","id":"CVE-2026-27802","kev_date_added":null,"published":"2026-03-04"},{"cvss_score":8.1,"headline":"Vaultwarden: Unconfirmed Owner Can Purge Entire Organization Vault","id":"CVE-2026-43913","kev_date_added":null,"published":"2026-05-11"}],"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":"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":"2026-03-05","vendors":["dani-garcia"]},"summary":"Attackers with collection access can perform unauthorized management operations despite lacking the manage permission, requiring an upgrade to Vaultwarden.","url":"https://insights.sbomify.com/CVE-2026-27803/"}