{"id":"CVE-2026-76244","title":"stigmem-node contains an insecure default configuration vulnerability that allows federation traffic to traverse networks without mTLS protection when non-loopback endpoints are enabled","summary":"stigmem-node contains an insecure default configuration vulnerability that allows federation traffic to traverse networks without mTLS protection when non-loopback endpoints are enabled. Operators who explicitly disabled mTLS while bindi…","severity":"critical","cwe":["CWE-319"],"vendor":"stigmem-node","product":"stigmem-node","affected":["stigmem-node < 0.9.0a2"],"patched":["stigmem-node 0.9.0a2"],"published":"2026-08-19","updated":"2026-09-11","sourceUpdated":"2026-09-11T18:28:15.520","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-76244","references":[{"url":"https://github.com/eidetic-labs/stigmem/security/advisories/GHSA-jmfc-hfjq-pxcp","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/stigmem-node-insecure-federation-transport-configuration","label":"disclosure@vulncheck.com"},{"url":"https://github.com/eidetic-labs/stigmem"}],"tags":["nvd","osv","pip"],"epss":0.00216,"epssPercentile":0.12306,"aliases":["GHSA-jmfc-hfjq-pxcp"],"ecosystem":"pip","ingestedAt":"2026-08-20T19:23:06.412Z","slug":"CVE-2026-76244","body":"## Overview\n\nstigmem-node contains an insecure default configuration vulnerability that allows federation traffic to traverse networks without mTLS protection when non-loopback endpoints are enabled. Operators who explicitly disabled mTLS while binding federation to non-loopback addresses expose federation traffic to cleartext interception and man-in-the-middle attacks.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-76244)\n\nAffected packages:\n\n- `stigmem-node < 0.9.0a2`\n\nPatched in:\n\n- `stigmem-node 0.9.0a2`\n\nSource: https://osv.dev/vulnerability/GHSA-jmfc-hfjq-pxcp","depth":"midnight","depthScore":52,"depthScoreParts":{"impact":52.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}