{"answers":{"affected":"5 open source packages ship an affected version, including github.com/cloudreve/Cloudreve/v4, github.com/cloudreve/Cloudreve and github.com/cloudreve/Cloudreve/v3.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-101056 exists.","fix":"No fix has been published for CVE-2026-101056 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-101056 is a medium-severity authentication bypass vulnerability in cloudreve, published on 27 Sep 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-2026-101056 and fix it if it is affected.\n\nWhat it is: CVE-2026-101056 is a medium-severity authentication bypass vulnerability in cloudreve, published on 27 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-101056 exists.\n\nAffected packages and fixed versions:\n- github.com/cloudreve/Cloudreve/v4 (Go): affected all versions; no fix listed\n- github.com/cloudreve/Cloudreve/v4 (Go): affected all versions up to 4.0.0-20260606032813-26b6b1044b02; no fix listed\n- github.com/cloudreve/Cloudreve/v4 (Go): affected all versions up to 4.0.0-20260606032813-26b6b1044b02; no fix listed\n- github.com/cloudreve/Cloudreve (Go): affected all versions; no fix listed\n- github.com/cloudreve/Cloudreve/v3 (Go): affected all versions; no fix listed\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-2026-101056/ (Markdown: https://insights.sbomify.com/CVE-2026-101056/index.md)","id":"CVE-2026-101056","markdown":"https://insights.sbomify.com/CVE-2026-101056/index.md","name":"CVE-2026-101056","record":{"aliases":["GHSA-qh53-mf6v-496j","GHSA-vx2m-jpxr-xv7w","GO-2026-6287"],"analysis":{"component_type":"web_application","fix_type":"upgrade","impacts":["data_read","security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"Cloud file sharing","requires_auth":"none","summary":"Attackers can bypass share access controls to generate signed file URLs for deleted or expired shares, allowing unauthorized data access.","user_interaction":"not_required","vuln_class":"auth_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulnCheck","cpe":[],"cvss":{"score":6.9,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-863","name":"Incorrect Authorization"}],"description":"Cloudreve before 4.16.1 fails to revalidate share access when restoring cached navigator state from a context_hint UUID. Attackers who previously had valid share access can replay the cached hint to generate signed file URLs for up to 300 seconds after the share is deleted, expires, or reaches zero remaining downloads.","ecosystems":["Go"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":false,"headline":"Cloudreve before 4.16.1 Authentication Bypass via Cached Context Hint","id":"CVE-2026-101056","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Go","product":null,"products":[],"type":"auth_bypass","year":"2026"},"n_packages":5,"n_references":2,"next":{"headline":"utcp-mcp before 1.1.3 SSRF via unvalidated MCP server URL","id":"CVE-2026-101057"},"packages":[{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":[],"package":"github.com/cloudreve/Cloudreve","purl":"pkg:golang/github.com/cloudreve/Cloudreve","source":"GO-2026-6287"},{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":[],"package":"github.com/cloudreve/Cloudreve/v3","purl":"pkg:golang/github.com/cloudreve/Cloudreve/v3","source":"GO-2026-6287"},{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":[],"package":"github.com/cloudreve/Cloudreve/v4","purl":"pkg:golang/github.com/cloudreve/Cloudreve/v4","source":"GO-2026-6287"},{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":["4.0.0-20260606032813-26b6b1044b02"],"package":"github.com/cloudreve/Cloudreve/v4","purl":null,"source":"GHSA-vx2m-jpxr-xv7w"},{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":["4.0.0-20260606032813-26b6b1044b02"],"package":"github.com/cloudreve/Cloudreve/v4","purl":"pkg:golang/github.com/cloudreve/Cloudreve/v4","source":"GHSA-vx2m-jpxr-xv7w"}],"prev":{"headline":"Thinkware U3000 TCP Service GET_STATUS information disclosure","id":"CVE-2026-101055"},"products":["cloudreve"],"published":"2026-09-27","related":[],"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":"CC BY 4.0","name":"Go Vulnerability Database","prefix":"GO"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-10-08","vendors":["cloudreve"]},"summary":"Attackers can bypass share access controls to generate signed file URLs for deleted or expired shares, allowing unauthorized data access.","url":"https://insights.sbomify.com/CVE-2026-101056/"}