{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-62993", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-14T23:10:57.031Z", "datePublished": "2026-08-31T20:58:03.616Z", "dateUpdated": "2026-08-31T20:58:03.616Z"}, "containers": {"cna": {"title": "Smarty: SSRF via redirect bypass of trusted_uri using {fetch}", "problemTypes": [{"descriptions": [{"cweId": "CWE-918", "lang": "en", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/smarty-php/smarty/security/advisories/GHSA-cq55-c7wv-pxmq", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/smarty-php/smarty/security/advisories/GHSA-cq55-c7wv-pxmq"}, {"name": "https://github.com/smarty-php/smarty/pull/1194", "tags": ["x_refsource_MISC"], "url": "https://github.com/smarty-php/smarty/pull/1194"}, {"name": "https://github.com/smarty-php/smarty/commit/31e06fc087a8b5a9b236c1e5dacc1c2850a2c115", "tags": ["x_refsource_MISC"], "url": "https://github.com/smarty-php/smarty/commit/31e06fc087a8b5a9b236c1e5dacc1c2850a2c115"}, {"name": "https://github.com/smarty-php/smarty/commit/a1ccdb0518021a559b4066c37b76a42c86bbce90", "tags": ["x_refsource_MISC"], "url": "https://github.com/smarty-php/smarty/commit/a1ccdb0518021a559b4066c37b76a42c86bbce90"}, {"name": "https://github.com/smarty-php/smarty/releases/tag/v4.5.7", "tags": ["x_refsource_MISC"], "url": "https://github.com/smarty-php/smarty/releases/tag/v4.5.7"}, {"name": "https://github.com/smarty-php/smarty/releases/tag/v5.8.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/smarty-php/smarty/releases/tag/v5.8.2"}], "affected": [{"vendor": "smarty-php", "product": "smarty", "versions": [{"version": ">= 5.0.0, < 5.8.2", "status": "affected"}, {"version": "< 4.5.7", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-31T20:58:03.616Z"}, "descriptions": [{"lang": "en", "value": "Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. Prior to 4.5.7 and 5.8.2, depending on the release line, Smarty's {fetch} handling in libs/plugins/function.fetch.php and src/FunctionHandler/Fetch.php used Security::isTrustedUri() to validate only the initial remote URL against trusted_uri when a security policy was active. For resources handled by file_get_contents(), including HTTPS URLs, PHP followed HTTP redirects by default. An attacker who could supply or influence a fetch target and had an open redirect on a trusted host could redirect the request to an attacker-chosen internal endpoint, bypass the trusted_uri allowlist, and perform server-side request forgery. This issue is fixed in versions 4.5.7 and 5.8.2."}], "source": {"advisory": "GHSA-cq55-c7wv-pxmq", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "smarty", "vendor": "smarty-php", "versions": [{"status": "affected", "version": ">= 5.0.0, < 5.8.2"}, {"status": "affected", "version": "< 4.5.7"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. Prior to 4.5.7 and 5.8.2, depending on the release line, Smarty's {fetch} handling in libs/plugins/function.fetch.php and src/FunctionHandler/Fetch.php used Security::isTrustedUri() to validate only the initial remote URL against trusted_uri when a security policy was active. For resources handled by file_get_contents(), including HTTPS URLs, PHP followed HTTP redirects by default. An attacker who could supply or influence a fetch target and had an open redirect on a trusted host could redirect the request to an attacker-chosen internal endpoint, bypass the trusted_uri allowlist, and perform server-side request forgery. This issue is fixed in versions 4.5.7 and 5.8.2."}], "id": "CVE-2026-62993", "lastModified": "2026-08-31T21:17:33.170", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-31T21:17:33.170", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/smarty-php/smarty/commit/31e06fc087a8b5a9b236c1e5dacc1c2850a2c115"}, {"source": "security-advisories@github.com", "url": "https://github.com/smarty-php/smarty/commit/a1ccdb0518021a559b4066c37b76a42c86bbce90"}, {"source": "security-advisories@github.com", "url": "https://github.com/smarty-php/smarty/pull/1194"}, {"source": "security-advisories@github.com", "url": "https://github.com/smarty-php/smarty/releases/tag/v4.5.7"}, {"source": "security-advisories@github.com", "url": "https://github.com/smarty-php/smarty/releases/tag/v5.8.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/smarty-php/smarty/security/advisories/GHSA-cq55-c7wv-pxmq"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0,5.8.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.5.7)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "smarty", "source": "cna", "vendor": "smarty-php"}, "product": "smarty", "vendor": "smarty-php"}], "created": "2026-08-31T22:30:06.186037+00:00", "updated": "2026-08-31T23:30:06.450182+00:00", "vendors": ["smarty-php", "smarty-php$PRODUCT$smarty"]}