{"schema":"threatline.record/2","record":{"id":"CVE-2026-116821","aliases":["GHSA-q5j6-79p7-mp94"],"summary":"YesWiki before 4.7.0 Read-ACL Bypass via SQL LIKE Wildcards in Usernames","details":"YesWiki before 4.7.0 contains a read-ACL bypass in AclService::updateRequestWithACL, which interpolates usernames into SQL LIKE patterns without escaping the _ and % wildcards. Self-registered attackers can use usernames such as ___ or %%% that over-match ACL tokens, reading pages and Bazar entries restricted to other users or groups via the public Bazar listing API.","categories":["Unclassified"],"product":"yeswiki","vendor":"YesWiki","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116821","source_modified_at":"2026-10-26T23:05:47.763Z","fetched_at":"2026-10-26T23:45:56.352924Z","product":"yeswiki","vendor":"YesWiki","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"4.7.0"},{"version":"4.7.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116821","source_modified_at":"2026-10-26T23:05:47.763Z","fetched_at":"2026-10-26T23:45:56.352924Z","package":{"name":"yeswiki","ecosystem":null},"version":"4.7.0","basis":"first unaffected version stated in the CVE record"}],"cvss":7.1,"severity":"High","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-26T23:05:47.763Z","modified_at":"2026-10-26T23:05:47.763Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-116821","fetched_at":"2026-10-26T23:45:56.352924Z","source_modified_at":"2026-10-26T23:05:47.763Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-q5j6-79p7-mp94","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://github.com/YesWiki/yeswiki/commit/f3b0dd093a7ace47dc29a515faeb02635baceae2","tags":["patch"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/yeswiki-before-4.7.0-read-acl-bypass-via-sql-like-wildcards-in-usernames","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-26T23:05:47.763Z","content_hash":"ecdc24ab5c0e5eba6d4c3bac0b3e713a7900fb7581688fcbb045742d42af37fd"}}