{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102895", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-29T17:34:42.743Z", "datePublished": "2026-11-04T21:16:59.842Z", "dateUpdated": "2026-11-10T04:55:56.196Z"}, "containers": {"cna": {"title": "GPUStack: Authentication bypass via trusted loopback source (reverse-proxy TCP peer or X-GPUStack-Real-IP header) grants unauthenticated admin", "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "lang": "en", "description": "CWE-287: Improper Authentication", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-290", "lang": "en", "description": "CWE-290: Authentication Bypass by Spoofing", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-346", "lang": "en", "description": "CWE-346: Origin Validation Error", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/gpustack/gpustack/security/advisories/GHSA-gj9m-f8ph-pmhr", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/gpustack/gpustack/security/advisories/GHSA-gj9m-f8ph-pmhr"}, {"name": "https://github.com/gpustack/gpustack/pull/5346", "tags": ["x_refsource_MISC"], "url": "https://github.com/gpustack/gpustack/pull/5346"}, {"name": "https://github.com/gpustack/gpustack/commit/53f42a6a553542974396d16a4ff6b12bcbedb48d", "tags": ["x_refsource_MISC"], "url": "https://github.com/gpustack/gpustack/commit/53f42a6a553542974396d16a4ff6b12bcbedb48d"}, {"name": "https://github.com/gpustack/gpustack/releases/tag/v2.2.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/gpustack/gpustack/releases/tag/v2.2.0"}], "affected": [{"vendor": "gpustack", "product": "gpustack", "versions": [{"version": "< 2.2.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-04T21:16:59.842Z"}, "descriptions": [{"lang": "en", "value": "GPUStack is an open-source GPU cluster manager for AI model serving and GPU instance provisioning. Prior to 2.2.0, get_current_user in gpustack/api/auth.py treated a loopback request source as the built-in administrator when force_auth_localhost was false, which was the default. A remote request could appear to originate from 127.0.0.1 because client_ip_getter accepted a same-host reverse proxy peer or a client-supplied X-GPUStack-Real-IP loopback value. The bypass allowed unauthenticated administrative access, including user and model changes, persistent administrator API-key creation, disclosure of worker and cloud-provider secrets, and code execution through POST /v2/inference-backends/from-yaml. Exploitation was observed in the wild against a 2.1.1 deployment. This issue is fixed in version 2.2.0."}], "source": {"advisory": "GHSA-gj9m-f8ph-pmhr", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-05T00:00:00+00:00", "options": [{"Exploitation": "active"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-102895"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2026-11-09", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102895"}}}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102895", "tags": ["government-resource"]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-10T04:55:56.196Z"}, "timeline": [{"time": "2026-11-09T00:00:00.000Z", "lang": "en", "value": "CVE-2026-102895 added to CISA KEV"}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-102895", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-11-09T16:50:07.009163Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2026-11-09", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102895"}}}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102895", "tags": ["government-resource"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-05T19:30:06.957Z"}, "timeline": [{"lang": "en", "time": "2026-11-09T00:00:00.000Z", "value": "CVE-2026-102895 added to CISA KEV"}]}], "cna": {"title": "GPUStack: Authentication bypass via trusted loopback source (reverse-proxy TCP peer or X-GPUStack-Real-IP header) grants unauthenticated admin", "source": {"advisory": "GHSA-gj9m-f8ph-pmhr", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "gpustack", "product": "gpustack", "versions": [{"status": "affected", "version": "< 2.2.0"}]}], "references": [{"url": "https://github.com/gpustack/gpustack/security/advisories/GHSA-gj9m-f8ph-pmhr", "name": "https://github.com/gpustack/gpustack/security/advisories/GHSA-gj9m-f8ph-pmhr", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/gpustack/gpustack/pull/5346", "name": "https://github.com/gpustack/gpustack/pull/5346", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/gpustack/gpustack/commit/53f42a6a553542974396d16a4ff6b12bcbedb48d", "name": "https://github.com/gpustack/gpustack/commit/53f42a6a553542974396d16a4ff6b12bcbedb48d", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/gpustack/gpustack/releases/tag/v2.2.0", "name": "https://github.com/gpustack/gpustack/releases/tag/v2.2.0", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "GPUStack is an open-source GPU cluster manager for AI model serving and GPU instance provisioning. Prior to 2.2.0, get_current_user in gpustack/api/auth.py treated a loopback request source as the built-in administrator when force_auth_localhost was false, which was the default. A remote request could appear to originate from 127.0.0.1 because client_ip_getter accepted a same-host reverse proxy peer or a client-supplied X-GPUStack-Real-IP loopback value. The bypass allowed unauthenticated administrative access, including user and model changes, persistent administrator API-key creation, disclosure of worker and cloud-provider secrets, and code execution through POST /v2/inference-backends/from-yaml. Exploitation was observed in the wild against a 2.1.1 deployment. This issue is fixed in version 2.2.0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-287", "description": "CWE-287: Improper Authentication"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-290", "description": "CWE-290: Authentication Bypass by Spoofing"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-346", "description": "CWE-346: Origin Validation Error"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-04T21:16:59.842Z"}}}, "cveMetadata": {"cveId": "CVE-2026-102895", "state": "PUBLISHED", "dateUpdated": "2026-11-09T20:58:23.736Z", "dateReserved": "2026-09-29T17:34:42.743Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-11-04T21:16:59.842Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "gpustack", "vendor": "gpustack", "versions": [{"status": "affected", "version": "< 2.2.0"}]}], "source": "security-advisories@github.com"}], "cisaActionDue": "2026-11-12", "cisaExploitAdd": "2026-11-09", "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.", "cisaVulnerabilityName": "GPUStack Improper Authentication Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gpustack:gpustack:*:*:*:*:*:*:*:*", "matchCriteriaId": "3439BFF0-7E02-4EFF-B772-F42FFB05A582", "versionEndExcluding": "2.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "GPUStack is an open-source GPU cluster manager for AI model serving and GPU instance provisioning. Prior to 2.2.0, get_current_user in gpustack/api/auth.py treated a loopback request source as the built-in administrator when force_auth_localhost was false, which was the default. A remote request could appear to originate from 127.0.0.1 because client_ip_getter accepted a same-host reverse proxy peer or a client-supplied X-GPUStack-Real-IP loopback value. The bypass allowed unauthenticated administrative access, including user and model changes, persistent administrator API-key creation, disclosure of worker and cloud-provider secrets, and code execution through POST /v2/inference-backends/from-yaml. Exploitation was observed in the wild against a 2.1.1 deployment. This issue is fixed in version 2.2.0."}], "id": "CVE-2026-102895", "lastModified": "2026-11-10T05:17:40.970", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-102895", "options": [{"exploitation": "active"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-11-04T22:17:44.613", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/gpustack/gpustack/commit/53f42a6a553542974396d16a4ff6b12bcbedb48d"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/gpustack/gpustack/pull/5346"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/gpustack/gpustack/releases/tag/v2.2.0"}, {"source": "security-advisories@github.com", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://github.com/gpustack/gpustack/security/advisories/GHSA-gj9m-f8ph-pmhr"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102895"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}, {"lang": "en", "value": "CWE-290"}, {"lang": "en", "value": "CWE-346"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}