{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-126658", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-11T11:58:21.462Z", "datePublished": "2026-11-11T12:24:35.975Z", "dateUpdated": "2026-11-11T12:24:35.975Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-11T12:24:35.975Z"}, "datePublic": "2026-11-10T11:33:37.000Z", "title": "ByteStash 1.5.10 before 1.6.2 Insufficient Session Expiration via API Keys", "descriptions": [{"lang": "en", "value": "ByteStash 1.5.10 before 1.6.2 contains an insufficient session expiration vulnerability that allows holders of API keys to keep access after account deactivation because validateApiKey never checks account status. Attackers holding a deactivated account's API key can read, create, modify and delete its snippets via /api/snippets and use every MCP tool via /mcp."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Insufficient Session Expiration", "cweId": "CWE-613", "type": "CWE"}]}], "affected": [{"vendor": "jordan-dalby", "product": "ByteStash", "defaultStatus": "unaffected", "versions": [{"version": "1.5.10", "lessThan": "1.6.2", "status": "affected", "versionType": "semver"}, {"version": "1.6.2", "status": "unaffected", "versionType": "semver"}], "packageURL": "pkg:github/jordan-dalby/ByteStash", "repo": "https://github.com/jordan-dalby/ByteStash"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/jordan-dalby/ByteStash/security/advisories/GHSA-26m9-ww2j-3cr5", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-26m9-ww2j-3cr5)"}, {"url": "https://github.com/jordan-dalby/ByteStash/commit/eb4ecdfc30f2e7d1424137fa7fe3a9eed663218b", "tags": ["patch"]}, {"url": "https://github.com/jordan-dalby/ByteStash/releases/tag/v1.6.2", "tags": ["release-notes"], "name": "ByteStash v1.6.2 Release Notes"}, {"url": "https://github.com/jordan-dalby/ByteStash/blob/v1.6.1/server/src/repositories/apiKeyRepository.js#L70-L78", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: ByteStash 1.5.10 before 1.6.2 Insufficient Session Expiration via API Keys", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/bytestash-1.5.10-before-1.6.2-insufficient-session-expiration-via-api-keys"}], "credits": [{"lang": "en", "value": "Adib Farhan", "type": "finder"}, {"lang": "en", "value": "Jordan Dalby", "type": "remediation developer"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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