CVE-2026-48736

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-48736", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-22T19:10:35.746Z", "datePublished": "2026-07-14T19:09:30.260Z", "dateUpdated": "2026-07-15T13:23:06.394Z"}, "containers": {"cna": {"title": "Symfony: IpUtils::PRIVATE_SUBNETS Omits IPv6 Transition Forms (6to4, NAT64, Teredo, IPv4-compatible): SSRF Bypass in NoPrivateNetworkHttpClient", "problemTypes": [{"descriptions": [{"cweId": "CWE-184", "lang": "en", "description": "CWE-184: Incomplete List of Disallowed Inputs", "type": "CWE"}]}, {"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": "LOW", "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:L/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/symfony/symfony/security/advisories/GHSA-38cx-cq6f-5755", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/symfony/symfony/security/advisories/GHSA-38cx-cq6f-5755"}, {"name": "https://github.com/symfony/symfony/commit/82765368cf74177c36613575182f168a2eb765b2", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/symfony/commit/82765368cf74177c36613575182f168a2eb765b2"}, {"name": "https://github.com/symfony/symfony/commit/85b831555be8ea1f43bf01078afe87bc4c92f65e", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/symfony/commit/85b831555be8ea1f43bf01078afe87bc4c92f65e"}, {"name": "https://github.com/symfony/symfony/releases/tag/v5.4.53", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/symfony/releases/tag/v5.4.53"}, {"name": "https://github.com/symfony/symfony/releases/tag/v6.4.41", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/symfony/releases/tag/v6.4.41"}, {"name": "https://github.com/symfony/symfony/releases/tag/v7.4.13", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/symfony/releases/tag/v7.4.13"}], "affected": [{"vendor": "symfony", "product": "symfony", "versions": [{"version": ">= 5.4.0, < 5.4.53", "status": "affected"}, {"version": ">= 6.0.0-BETA1, < 6.4.41", "status": "affected"}, {"version": ">= 7.0.0-BETA1, < 7.4.13", "status": "affected"}, {"version": ">= 8.0.0-BETA1, < 8.0.13", "status": "affected"}]}, {"vendor": "symfony", "product": "http-client", "versions": [{"version": ">= 5.4.0, < 5.4.53", "status": "affected"}]}, {"vendor": "symfony", "product": "http-foundation", "versions": [{"version": ">= 6.0.0-BETA1, < 6.4.41", "status": "affected"}, {"version": ">= 7.0.0-BETA1, < 7.4.13", "status": "affected"}, {"version": ">= 8.0.0-BETA1, < 8.0.13", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-14T19:09:30.260Z"}, "descriptions": [{"lang": "en", "value": "Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 5.4.0 to 5.4.53, 6.4.41, 7.4.13, and 8.0.13, NoPrivateNetworkHttpClient and IpUtils::PRIVATE_SUBNETS omitted IPv6 transition prefixes such as 6to4, NAT64, Teredo, and IPv4-compatible IPv6, allowing attacker-supplied URLs to represent private IPv4 targets in forms that IpUtils::isPrivateIp() did not block. This issue is fixed in versions 5.4.53, 6.4.41, 7.4.13, and 8.0.13."}], "source": {"advisory": "GHSA-38cx-cq6f-5755", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-15T13:22:57.676623Z", "id": "CVE-2026-48736", "options": [{"Exploitation": "none"}, {"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": "2026-07-15T13:23:06.394Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"cna": {"title": "Symfony: IpUtils::PRIVATE_SUBNETS Omits IPv6 Transition Forms (6to4, NAT64, Teredo, IPv4-compatible): SSRF Bypass in NoPrivateNetworkHttpClient", "source": {"advisory": "GHSA-38cx-cq6f-5755", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.9, "attackVector": "NETWORK", "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:L/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "NONE"}}], "affected": [{"vendor": "symfony", "product": "symfony", "versions": [{"status": "affected", "version": ">= 5.4.0, < 5.4.53"}, {"status": "affected", "version": ">= 6.0.0-BETA1, < 6.4.41"}, {"status": "affected", "version": ">= 7.0.0-BETA1, < 7.4.13"}, {"status": "affected", "version": ">= 8.0.0-BETA1, < 8.0.13"}]}, {"vendor": "symfony", "product": "http-client", "versions": [{"status": "affected", "version": ">= 5.4.0, < 5.4.53"}]}, {"vendor": "symfony", "product": "http-foundation", "versions": [{"status": "affected", "version": ">= 6.0.0-BETA1, < 6.4.41"}, {"status": "affected", "version": ">= 7.0.0-BETA1, < 7.4.13"}, {"status": "affected", "version": ">= 8.0.0-BETA1, < 8.0.13"}]}], "references": [{"url": "https://github.com/symfony/symfony/security/advisories/GHSA-38cx-cq6f-5755", "name": "https://github.com/symfony/symfony/security/advisories/GHSA-38cx-cq6f-5755", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/symfony/symfony/commit/82765368cf74177c36613575182f168a2eb765b2", "name": "https://github.com/symfony/symfony/commit/82765368cf74177c36613575182f168a2eb765b2", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/symfony/symfony/commit/85b831555be8ea1f43bf01078afe87bc4c92f65e", "name": "https://github.com/symfony/symfony/commit/85b831555be8ea1f43bf01078afe87bc4c92f65e", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/symfony/symfony/releases/tag/v5.4.53", "name": "https://github.com/symfony/symfony/releases/tag/v5.4.53", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/symfony/symfony/releases/tag/v6.4.41", "name": "https://github.com/symfony/symfony/releases/tag/v6.4.41", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/symfony/symfony/releases/tag/v7.4.13", "name": "https://github.com/symfony/symfony/releases/tag/v7.4.13", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 5.4.0 to 5.4.53, 6.4.41, 7.4.13, and 8.0.13, NoPrivateNetworkHttpClient and IpUtils::PRIVATE_SUBNETS omitted IPv6 transition prefixes such as 6to4, NAT64, Teredo, and IPv4-compatible IPv6, allowing attacker-supplied URLs to represent private IPv4 targets in forms that IpUtils::isPrivateIp() did not block. This issue is fixed in versions 5.4.53, 6.4.41, 7.4.13, and 8.0.13."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-184", "description": "CWE-184: Incomplete List of Disallowed Inputs"}]}, {"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": "2026-07-14T19:09:30.260Z"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-48736", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-15T13:22:57.676623Z"}}}], "providerMetadata": {"shortName": "CISA-ADP", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "dateUpdated": "2026-07-15T13:23:01.307Z"}}]}, "cveMetadata": {"cveId": "CVE-2026-48736", "state": "PUBLISHED", "dateUpdated": "2026-07-14T19:09:30.260Z", "dateReserved": "2026-05-22T19:10:35.746Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-07-14T19:09:30.260Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "symfony", "vendor": "symfony", "versions": [{"status": "affected", "version": ">= 5.4.0, < 5.4.53"}, {"status": "affected", "version": ">= 6.0.0-BETA1, < 6.4.41"}, {"status": "affected", "version": ">= 7.0.0-BETA1, < 7.4.13"}, {"status": "affected", "version": ">= 8.0.0-BETA1, < 8.0.13"}]}, {"product": "http-client", "vendor": "symfony", "versions": [{"status": "affected", "version": ">= 5.4.0, < 5.4.53"}]}, {"product": "http-foundation", "vendor": "symfony", "versions": [{"status": "affected", "version": ">= 6.0.0-BETA1, < 6.4.41"}, {"status": "affected", "version": ">= 7.0.0-BETA1, < 7.4.13"}, {"status": "affected", "version": ">= 8.0.0-BETA1, < 8.0.13"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*", "matchCriteriaId": "0BC7BEDA-A2F3-4824-8DC1-005A725A19AD", "versionEndExcluding": "5.4.43", "versionStartIncluding": "5.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*", "matchCriteriaId": "ED04E8D0-8BBB-427F-9553-C82CC9C87AD3", "versionEndExcluding": "6.4.41", "versionStartIncluding": "6.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*", "matchCriteriaId": "DCEA8689-899C-4D73-A6D9-D1988462146D", "versionEndExcluding": "7.4.13", "versionStartIncluding": "7.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*", "matchCriteriaId": "3175EFA6-84DF-4B04-B435-E71A770646C9", "versionEndExcluding": "8.0.13", "versionStartIncluding": "8.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 5.4.0 to 5.4.53, 6.4.41, 7.4.13, and 8.0.13, NoPrivateNetworkHttpClient and IpUtils::PRIVATE_SUBNETS omitted IPv6 transition prefixes such as 6to4, NAT64, Teredo, and IPv4-compatible IPv6, allowing attacker-supplied URLs to represent private IPv4 targets in forms that IpUtils::isPrivateIp() did not block. This issue is fixed in versions 5.4.53, 6.4.41, 7.4.13, and 8.0.13."}], "id": "CVE-2026-48736", "lastModified": "2026-07-16T03:12:24.813", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}], "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": "LOW", "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:L/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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48736", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-15T13:22:57.676623Z", "version": "2.0.3"}}]}, "published": "2026-07-14T20:17:09.943", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/symfony/symfony/commit/82765368cf74177c36613575182f168a2eb765b2"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/symfony/symfony/commit/85b831555be8ea1f43bf01078afe87bc4c92f65e"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/symfony/symfony/releases/tag/v5.4.53"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/symfony/symfony/releases/tag/v6.4.41"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/symfony/symfony/releases/tag/v7.4.13"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/symfony/symfony/security/advisories/GHSA-38cx-cq6f-5755"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-184"}, {"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.4.0,5.4.53)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "http-client", "source": "cna", "vendor": "symfony"}, "product": "http-client", "vendor": "symfony"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.0.0-BETA1,6.4.41)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0-BETA1,7.4.13)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.0.0-BETA1,8.0.13)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "http-foundation", "source": "cna", "vendor": "symfony"}, "product": "http-foundation", "vendor": "symfony"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.4.0,5.4.53)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.0.0-BETA1,6.4.41)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0-BETA1,7.4.13)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.0.0-BETA1,8.0.13)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "symfony", "source": "cna", "vendor": "symfony"}, "product": "symfony", "vendor": "symfony"}], "created": "2026-07-16T13:30:04.103415+00:00", "updated": "2026-07-31T05:45:03.848648+00:00", "vendors": ["symfony", "symfony$PRODUCT$http-client", "symfony$PRODUCT$http-foundation", "symfony$PRODUCT$symfony"]}