{"id":"CVE-2026-76243","summary":"stigmem before 0.9.0a2 Authentication Bypass via Disabled Auth","details":"stigmem versions before 0.9.0a2 allow unauthenticated access when authentication is disabled on non-loopback deployments. Attackers can perform read, write, and federation operations with anonymous identity when nodes are exposed outside local development environments.","aliases":["GHSA-fp6w-8wpg-74g5"],"modified":"2026-08-27T11:31:15.357971931Z","published":"2026-08-19T14:02:20.160Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-285"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76243.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76243.json"},{"type":"ADVISORY","url":"https://github.com/eidetic-labs/stigmem/security/advisories/GHSA-fp6w-8wpg-74g5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76243"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/stigmem-before-0a2-authentication-bypass-via-disabled-auth"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/eidetic-labs/stigmem","events":[{"introduced":"0"},{"fixed":"18ec5dbe3a3970d804f2013b4ae53dd2da8ed4ac"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"0.9.0a2"}],"source":["AFFECTED_FIELD","DESCRIPTION"]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-76243.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}