{"cve":"CVE-2026-76243","nvd":{"published":"2026-08-19T14:17:56.693","modified":"2026-09-24T20:43:32.537","status":"Deferred","description":"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.","cvss_v4":{"vector":"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","score":9.2},"cvss_v3":null,"cwes":["CWE-285"],"references":["https://github.com/eidetic-labs/stigmem/security/advisories/GHSA-fp6w-8wpg-74g5","https://www.vulncheck.com/advisories/stigmem-before-0a2-authentication-bypass-via-disabled-auth"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:49:38.260478770+00:00"},"epss":{"cve":"CVE-2026-76243","score":0.00564,"percentile":0.46912,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-fp6w-8wpg-74g5","url":"https://osv.dev/vulnerability/GHSA-fp6w-8wpg-74g5","summary":"stigmem-node: Auth-disabled deployments may grant broad anonymous access outside loopback","modified":"2026-08-20T04:04:15.333636609Z","packages":[{"ecosystem":"PyPI","name":"stigmem-node","purl":"pkg:pypi/stigmem-node","ranges":["<0.9.0a2"],"fixed":["0.9.0a2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}