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    "cveMetadata": {
        "cveId": "CVE-2026-76243",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-08-19T11:38:33.225Z",
        "datePublished": "2026-08-19T14:02:20.160Z",
        "dateUpdated": "2026-08-25T02:01:37.954Z"
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                "dateUpdated": "2026-08-19T14:02:20.160Z"
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            "datePublic": "2026-05-19T00:00:00.000Z",
            "title": "stigmem before 0.9.0a2 Authentication Bypass via Disabled Auth",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Improper Authorization",
                            "cweId": "CWE-285",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "eidetic-labs",
                    "product": "stigmem",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:pypi/stigmem-node",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "0.9.0a2"
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                            "version": "0.9.0a2",
                            "status": "unaffected",
                            "versionType": "custom"
                        }
                    ]
                }
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                        "version": "4.0",
                        "vectorString": "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",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 9.2,
                        "baseSeverity": "CRITICAL"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://github.com/eidetic-labs/stigmem/security/advisories/GHSA-fp6w-8wpg-74g5",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "name": "GitHub Security Advisory (GHSA-fp6w-8wpg-74g5)"
                },
                {
                    "name": "VulnCheck Advisory: stigmem before 0.9.0a2 Authentication Bypass via Disabled Auth",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/stigmem-before-0a2-authentication-bypass-via-disabled-auth"
                }
            ],
            "x_generator": {
                "engine": "vulncheck-endgame"
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        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-25T02:01:28.533475Z",
                                "id": "CVE-2026-76243",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
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                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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                    "dateUpdated": "2026-08-25T02:01:37.954Z"
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}