{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-23646 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-23646 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-23646 is a medium-severity missing authorization vulnerability in opf openproject, published on 19 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-23646 and fix it if it is affected.\n\nWhat it is: CVE-2026-23646 is a medium-severity missing authorization vulnerability in opf openproject, published on 19 Jan 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-2026-23646 in the wild and no public exploit code.\n\nAffected product: opf openproject. 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-2026-23646/ (Markdown: https://insights.sbomify.com/CVE-2026-23646/index.md)","id":"CVE-2026-23646","markdown":"https://insights.sbomify.com/CVE-2026-23646/index.md","name":"CVE-2026-23646","record":{"aliases":["GHSA-w422-xf8f-v4vp"],"analysis":{"component_type":"web_application","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"OpenProject project management","requires_auth":"low_privilege","summary":"Authenticated users can forcibly log out other users by deleting their sessions due to missing ownership checks on session IDs.","user_interaction":"not_required","vuln_class":"missing_authorization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"openproject","vendor":"openproject"}],"cvss":{"score":6.5,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-488","name":"Exposure of Data Element to Wrong Session"}],"description":"OpenProject is an open-source, web-based project management software. Users of OpenProject versions prior to 16.6.5 and 17.0.1 have the ability to view and end their active sessions via Account Settings → Sessions. When deleting a session, it was not properly checked if the session belongs to the user. As the ID that is used to identify these session objects use incremental integers, users could iterate requests using `DELETE /my/sessions/:id` and thus unauthenticate other users. Users did not have access to any sensitive information (like browser identifier, IP addresses, etc) of other users that are stored in the session. The problem was patched in OpenProject versions 16.6.5 and 17.0.1. No known workarounds are available as this does not require any permissions or other that can temporarily be disabled.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":false,"headline":"OpenProject users can delete other user's session, causing them to be logged out","id":"CVE-2026-23646","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"missing_authorization","year":"2026"},"n_packages":0,"n_references":3,"next":{"headline":"Glory RBG-100 Recycler System Hard-coded OS Credentials","id":"CVE-2026-23647"},"packages":[],"prev":{"headline":"SiYuan Vulnerable to Stored Cross-Site Scripting (XSS) via Unrestricted SVG File Upload","id":"CVE-2026-23645"},"products":["openproject"],"published":"2026-01-19","related":[{"cvss_score":9.9,"headline":"OpenProject: SQL Injection in Cost Reporting =n Operator via parse_number_string","id":"CVE-2026-34717","kev_date_added":null,"published":"2026-04-02"},{"cvss_score":9.4,"headline":"Command Injection on OpenProject repositories leads to Remote Code Execution","id":"CVE-2026-25763","kev_date_added":null,"published":"2026-02-06"},{"cvss_score":9.4,"headline":"OpenProject has Argument Injection on Repository module that allows Arbitrary File Write","id":"CVE-2026-24685","kev_date_added":null,"published":"2026-01-28"},{"cvss_score":9.1,"headline":"OpenProject has a SQL Injection via Custom Field Name that can be chained to Remote Code Execution","id":"CVE-2026-32698","kev_date_added":null,"published":"2026-03-18"},{"cvss_score":9.1,"headline":"OpenProject's repository files are served with the MIME type allowing them to be used to bypass Content Security Policy","id":"CVE-2026-32703","kev_date_added":null,"published":"2026-03-18"},{"cvss_score":9.1,"headline":"OpenProject is Vulnerable to Arbitrary File Read via ImageMagick SVG Coder","id":"CVE-2026-22600","kev_date_added":null,"published":"2026-01-10"},{"cvss_score":8.9,"headline":"OpenProject has SSRF and CSWSH in Hocuspocus Synchronization Server","id":"CVE-2026-24772","kev_date_added":null,"published":"2026-01-28"}],"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":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-01-20","vendors":["opf"]},"summary":"Authenticated users can forcibly log out other users by deleting their sessions due to missing ownership checks on session IDs.","url":"https://insights.sbomify.com/CVE-2026-23646/"}