CVE-2026-108360

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-108360", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-09T20:32:44.301Z", "datePublished": "2026-10-22T17:26:59.148Z", "dateUpdated": "2026-10-29T11:50:16.342Z"}, "containers": {"cna": {"title": "PhpSpreadsheet: SSRF whitelist bypass via unre-validated HTTP redirect in Drawing::setPath external image loading", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-918", "lang": "en", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-2phh-27fw-q4gc", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-2phh-27fw-q4gc"}, {"name": "https://github.com/PHPOffice/PhpSpreadsheet/commit/299993894dce37aa3b64aa23e9a3f4bb77ab0e66", "tags": ["x_refsource_MISC"], "url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/299993894dce37aa3b64aa23e9a3f4bb77ab0e66"}, {"name": "https://github.com/PHPOffice/PhpSpreadsheet/commit/94590951d76a250a5fc1ecf69a0b3f7439a9af49", "tags": ["x_refsource_MISC"], "url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/94590951d76a250a5fc1ecf69a0b3f7439a9af49"}, {"name": "https://github.com/PHPOffice/PhpSpreadsheet/commit/980b5c294493856f1a25754f1e8a1d2185b93738", "tags": ["x_refsource_MISC"], "url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/980b5c294493856f1a25754f1e8a1d2185b93738"}, {"name": "https://github.com/PHPOffice/PhpSpreadsheet/commit/9a0b48622ebfe93fa48cb9bc09ce57303bb07af9", "tags": ["x_refsource_MISC"], "url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/9a0b48622ebfe93fa48cb9bc09ce57303bb07af9"}, {"name": "https://github.com/PHPOffice/PhpSpreadsheet/commit/da13f40e8760d599b0e8a296017d4b028b20e86c", "tags": ["x_refsource_MISC"], "url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/da13f40e8760d599b0e8a296017d4b028b20e86c"}, {"name": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/1.30.7", "tags": ["x_refsource_MISC"], "url": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/1.30.7"}, {"name": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.1.19", "tags": ["x_refsource_MISC"], "url": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.1.19"}, {"name": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.4.8", "tags": ["x_refsource_MISC"], "url": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.4.8"}, {"name": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/3.10.8", "tags": ["x_refsource_MISC"], "url": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/3.10.8"}, {"name": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/5.10.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/5.10.0"}], "affected": [{"vendor": "PHPOffice", "product": "PhpSpreadsheet", "versions": [{"version": "< 1.30.7", "status": "affected"}, {"version": ">= 2.0.0, < 2.1.19", "status": "affected"}, {"version": ">= 2.2.0, < 2.4.8", "status": "affected"}, {"version": ">= 3.3.0, < 3.10.8", "status": "affected"}, {"version": ">= 4.0.0, < 5.10.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-22T17:26:59.148Z"}, "descriptions": [{"lang": "en", "value": "PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Prior to 1.30.7, 2.1.19, 2.4.8, 3.10.8, and 5.10.0, Worksheet\\Drawing::setPath validates only the initial external-image URL with setIsWhitelisted when setAllowExternalImages is enabled. The HTTP stream context permits PHP to follow a redirect without applying the callback to the redirected URL, so a permitted image host can redirect the server to an internal address and cause a blind GET request. The response body is not returned to the attacker because the reader validates the downloaded content as an image and removes the temporary file, but internal GET-driven endpoints, network reachability, and cloud metadata endpoints may be reached. This issue is fixed in versions 1.30.7, 2.1.19, 2.4.8, 3.10.8, and 5.10.0."}], "source": {"advisory": "GHSA-2phh-27fw-q4gc", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-2phh-27fw-q4gc", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-29T11:49:35.255261Z", "id": "CVE-2026-108360", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-29T11:50:16.342Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-108360", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-29T11:49:35.255261Z"}}}], "references": [{"url": "https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-2phh-27fw-q4gc", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-29T11:49:49.393Z"}}], "cna": {"title": "PhpSpreadsheet: SSRF whitelist bypass via unre-validated HTTP redirect in Drawing::setPath external image loading", "source": {"advisory": "GHSA-2phh-27fw-q4gc", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "PHPOffice", "product": "PhpSpreadsheet", "versions": [{"status": "affected", "version": "< 1.30.7"}, {"status": "affected", "version": ">= 2.0.0, < 2.1.19"}, {"status": "affected", "version": ">= 2.2.0, < 2.4.8"}, {"status": "affected", "version": ">= 3.3.0, < 3.10.8"}, {"status": "affected", "version": ">= 4.0.0, < 5.10.0"}]}], "references": [{"url": "https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-2phh-27fw-q4gc", "name": "https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-2phh-27fw-q4gc", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/299993894dce37aa3b64aa23e9a3f4bb77ab0e66", "name": "https://github.com/PHPOffice/PhpSpreadsheet/commit/299993894dce37aa3b64aa23e9a3f4bb77ab0e66", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/94590951d76a250a5fc1ecf69a0b3f7439a9af49", "name": "https://github.com/PHPOffice/PhpSpreadsheet/commit/94590951d76a250a5fc1ecf69a0b3f7439a9af49", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/980b5c294493856f1a25754f1e8a1d2185b93738", "name": "https://github.com/PHPOffice/PhpSpreadsheet/commit/980b5c294493856f1a25754f1e8a1d2185b93738", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/9a0b48622ebfe93fa48cb9bc09ce57303bb07af9", "name": "https://github.com/PHPOffice/PhpSpreadsheet/commit/9a0b48622ebfe93fa48cb9bc09ce57303bb07af9", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/da13f40e8760d599b0e8a296017d4b028b20e86c", "name": "https://github.com/PHPOffice/PhpSpreadsheet/commit/da13f40e8760d599b0e8a296017d4b028b20e86c", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/1.30.7", "name": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/1.30.7", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.1.19", "name": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.1.19", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.4.8", "name": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.4.8", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/3.10.8", "name": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/3.10.8", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/5.10.0", "name": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/5.10.0", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Prior to 1.30.7, 2.1.19, 2.4.8, 3.10.8, and 5.10.0, Worksheet\\Drawing::setPath validates only the initial external-image URL with setIsWhitelisted when setAllowExternalImages is enabled. The HTTP stream context permits PHP to follow a redirect without applying the callback to the redirected URL, so a permitted image host can redirect the server to an internal address and cause a blind GET request. The response body is not returned to the attacker because the reader validates the downloaded content as an image and removes the temporary file, but internal GET-driven endpoints, network reachability, and cloud metadata endpoints may be reached. This issue is fixed in versions 1.30.7, 2.1.19, 2.4.8, 3.10.8, and 5.10.0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-863", "description": "CWE-863: Incorrect Authorization"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-918", "description": "CWE-918: Server-Side Request Forgery (SSRF)"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-22T17:26:59.148Z"}}}, "cveMetadata": {"cveId": "CVE-2026-108360", "state": "PUBLISHED", "dateUpdated": "2026-10-29T11:50:16.342Z", "dateReserved": "2026-10-09T20:32:44.301Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-10-22T17:26:59.148Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "PhpSpreadsheet", "vendor": "PHPOffice", "versions": [{"status": "affected", "version": "< 1.30.7"}, {"status": "affected", "version": ">= 2.0.0, < 2.1.19"}, {"status": "affected", "version": ">= 2.2.0, < 2.4.8"}, {"status": "affected", "version": ">= 3.3.0, < 3.10.8"}, {"status": "affected", "version": ">= 4.0.0, < 5.10.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Prior to 1.30.7, 2.1.19, 2.4.8, 3.10.8, and 5.10.0, Worksheet\\Drawing::setPath validates only the initial external-image URL with setIsWhitelisted when setAllowExternalImages is enabled. The HTTP stream context permits PHP to follow a redirect without applying the callback to the redirected URL, so a permitted image host can redirect the server to an internal address and cause a blind GET request. The response body is not returned to the attacker because the reader validates the downloaded content as an image and removes the temporary file, but internal GET-driven endpoints, network reachability, and cloud metadata endpoints may be reached. This issue is fixed in versions 1.30.7, 2.1.19, 2.4.8, 3.10.8, and 5.10.0."}], "id": "CVE-2026-108360", "lastModified": "2026-10-29T12:17:09.500", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-108360", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-29T11:49:35.255261Z", "version": "2.0.3"}}]}, "published": "2026-10-22T18:17:26.897", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/299993894dce37aa3b64aa23e9a3f4bb77ab0e66"}, {"source": "security-advisories@github.com", "url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/94590951d76a250a5fc1ecf69a0b3f7439a9af49"}, {"source": "security-advisories@github.com", "url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/980b5c294493856f1a25754f1e8a1d2185b93738"}, {"source": "security-advisories@github.com", "url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/9a0b48622ebfe93fa48cb9bc09ce57303bb07af9"}, {"source": "security-advisories@github.com", "url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/da13f40e8760d599b0e8a296017d4b028b20e86c"}, {"source": "security-advisories@github.com", "url": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/1.30.7"}, {"source": "security-advisories@github.com", "url": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.1.19"}, {"source": "security-advisories@github.com", "url": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.4.8"}, {"source": "security-advisories@github.com", "url": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/3.10.8"}, {"source": "security-advisories@github.com", "url": "https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/5.10.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-2phh-27fw-q4gc"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-2phh-27fw-q4gc"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}, {"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.30.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.0.0,2.1.19)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.2.0,2.4.8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.3.0,3.10.8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.0.0,5.10.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "PhpSpreadsheet", "source": "cna", "vendor": "PHPOffice"}, "product": "phpspreadsheet", "vendor": "phpoffice"}], "created": "2026-10-22T18:45:10.160858+00:00", "updated": "2026-10-22T20:00:12.205154+00:00", "vendors": ["phpoffice", "phpoffice$PRODUCT$phpspreadsheet"]}