CVE-2026-45077

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45077", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-08T18:45:10.097Z", "datePublished": "2026-07-14T17:46:33.837Z", "dateUpdated": "2026-07-14T18:24:19.069Z"}, "containers": {"cna": {"title": "Symfony: Unauthenticated PHP Object Deserialization in MonologBridge server:log Listener", "problemTypes": [{"descriptions": [{"cweId": "CWE-502", "lang": "en", "description": "CWE-502: Deserialization of Untrusted Data", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-668", "lang": "en", "description": "CWE-668: Exposure of Resource to Wrong Sphere", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.3, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/symfony/symfony/security/advisories/GHSA-m7v2-7gxm-vc2v", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/symfony/symfony/security/advisories/GHSA-m7v2-7gxm-vc2v"}, {"name": "https://github.com/symfony/symfony/commit/0891b2f293896c488e26943dc034334364b77fc4", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/symfony/commit/0891b2f293896c488e26943dc034334364b77fc4"}, {"name": "https://github.com/symfony/symfony/releases/tag/v5.4.52", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/symfony/releases/tag/v5.4.52"}, {"name": "https://github.com/symfony/symfony/releases/tag/v6.4.40", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/symfony/releases/tag/v6.4.40"}, {"name": "https://github.com/symfony/symfony/releases/tag/v7.4.12", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/symfony/releases/tag/v7.4.12"}, {"name": "https://github.com/symfony/symfony/releases/tag/v8.0.12", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/symfony/releases/tag/v8.0.12"}], "affected": [{"vendor": "symfony", "product": "symfony", "versions": [{"version": "< 5.4.52", "status": "affected"}, {"version": ">= 6.0.0-BETA1, < 6.4.40", "status": "affected"}, {"version": ">= 7.0.0-BETA1, < 7.4.12", "status": "affected"}, {"version": ">= 8.0.0-BETA1, < 8.0.12", "status": "affected"}]}, {"vendor": "symfony", "product": "monolog-bridge", "versions": [{"version": "< 5.4.52", "status": "affected"}, {"version": ">= 6.0.0-BETA1, < 6.4.40", "status": "affected"}, {"version": ">= 7.0.0-BETA1, < 7.4.12", "status": "affected"}, {"version": ">= 8.0.0-BETA1, < 8.0.12", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-14T17:46:33.837Z"}, "descriptions": [{"lang": "en", "value": "Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, the server:log listener (Symfony\\Bridge\\Monolog\\Command\\ServerLogCommand) binds to 0.0.0.0:9911 by default and processes each received frame with unserialize(base64_decode($message)) without authentication, integrity checks, or an allowed_classes allowlist, allowing any reachable host to submit attacker-chosen serialized PHP payloads that can crash the listener and may trigger object-injection gadget effects. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12."}], "source": {"advisory": "GHSA-m7v2-7gxm-vc2v", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-14T18:24:06.862837Z", "id": "CVE-2026-45077", "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": "2026-07-14T18:24:19.069Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-45077", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-14T18:24:06.862837Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-14T18:24:16.139Z"}}], "cna": {"title": "Symfony: Unauthenticated PHP Object Deserialization in MonologBridge server:log Listener", "source": {"advisory": "GHSA-m7v2-7gxm-vc2v", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 8.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW"}}], "affected": [{"vendor": "symfony", "product": "symfony", "versions": [{"status": "affected", "version": "< 5.4.52"}, {"status": "affected", "version": ">= 6.0.0-BETA1, < 6.4.40"}, {"status": "affected", "version": ">= 7.0.0-BETA1, < 7.4.12"}, {"status": "affected", "version": ">= 8.0.0-BETA1, < 8.0.12"}]}, {"vendor": "symfony", "product": "monolog-bridge", "versions": [{"status": "affected", "version": "< 5.4.52"}, {"status": "affected", "version": ">= 6.0.0-BETA1, < 6.4.40"}, {"status": "affected", "version": ">= 7.0.0-BETA1, < 7.4.12"}, {"status": "affected", "version": ">= 8.0.0-BETA1, < 8.0.12"}]}], "references": [{"url": "https://github.com/symfony/symfony/security/advisories/GHSA-m7v2-7gxm-vc2v", "name": "https://github.com/symfony/symfony/security/advisories/GHSA-m7v2-7gxm-vc2v", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/symfony/symfony/commit/0891b2f293896c488e26943dc034334364b77fc4", "name": "https://github.com/symfony/symfony/commit/0891b2f293896c488e26943dc034334364b77fc4", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/symfony/symfony/releases/tag/v5.4.52", "name": "https://github.com/symfony/symfony/releases/tag/v5.4.52", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/symfony/symfony/releases/tag/v6.4.40", "name": "https://github.com/symfony/symfony/releases/tag/v6.4.40", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/symfony/symfony/releases/tag/v7.4.12", "name": "https://github.com/symfony/symfony/releases/tag/v7.4.12", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/symfony/symfony/releases/tag/v8.0.12", "name": "https://github.com/symfony/symfony/releases/tag/v8.0.12", "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. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, the server:log listener (Symfony\\Bridge\\Monolog\\Command\\ServerLogCommand) binds to 0.0.0.0:9911 by default and processes each received frame with unserialize(base64_decode($message)) without authentication, integrity checks, or an allowed_classes allowlist, allowing any reachable host to submit attacker-chosen serialized PHP payloads that can crash the listener and may trigger object-injection gadget effects. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-502", "description": "CWE-502: Deserialization of Untrusted Data"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-668", "description": "CWE-668: Exposure of Resource to Wrong Sphere"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-14T17:46:33.837Z"}}}, "cveMetadata": {"cveId": "CVE-2026-45077", "state": "PUBLISHED", "dateUpdated": "2026-07-14T18:24:19.069Z", "dateReserved": "2026-05-08T18:45:10.097Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-07-14T17:46:33.837Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "symfony", "vendor": "symfony", "versions": [{"status": "affected", "version": "< 5.4.52"}, {"status": "affected", "version": ">= 6.0.0-BETA1, < 6.4.40"}, {"status": "affected", "version": ">= 7.0.0-BETA1, < 7.4.12"}, {"status": "affected", "version": ">= 8.0.0-BETA1, < 8.0.12"}]}, {"product": "monolog-bridge", "vendor": "symfony", "versions": [{"status": "affected", "version": "< 5.4.52"}, {"status": "affected", "version": ">= 6.0.0-BETA1, < 6.4.40"}, {"status": "affected", "version": ">= 7.0.0-BETA1, < 7.4.12"}, {"status": "affected", "version": ">= 8.0.0-BETA1, < 8.0.12"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*", "matchCriteriaId": "219B6657-31F0-4BA4-837F-F41B88A255B4", "versionEndExcluding": "5.4.52", "vulnerable": true}, {"criteria": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*", "matchCriteriaId": "D8E75C0E-A396-4B8E-831C-F869181948EE", "versionEndExcluding": "6.4.40", "versionStartIncluding": "6.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*", "matchCriteriaId": "F70A408A-E0B5-48A8-AA3A-4F9DE365BB56", "versionEndExcluding": "7.4.12", "versionStartIncluding": "7.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*", "matchCriteriaId": "6AF5BEE2-34A1-4C5D-8544-8BC68C9EDDFA", "versionEndExcluding": "8.0.12", "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. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, the server:log listener (Symfony\\Bridge\\Monolog\\Command\\ServerLogCommand) binds to 0.0.0.0:9911 by default and processes each received frame with unserialize(base64_decode($message)) without authentication, integrity checks, or an allowed_classes allowlist, allowing any reachable host to submit attacker-chosen serialized PHP payloads that can crash the listener and may trigger object-injection gadget effects. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12."}], "id": "CVE-2026-45077", "lastModified": "2026-07-15T15:35:50.480", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.7, "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": 8.3, "baseSeverity": "HIGH", "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": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/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": "HIGH", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45077", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-14T18:24:06.862837Z", "version": "2.0.3"}}]}, "published": "2026-07-14T18:17:17.130", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/symfony/symfony/commit/0891b2f293896c488e26943dc034334364b77fc4"}, {"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/symfony/symfony/releases/tag/v5.4.52"}, {"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/symfony/symfony/releases/tag/v6.4.40"}, {"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/symfony/symfony/releases/tag/v7.4.12"}, {"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/symfony/symfony/releases/tag/v8.0.12"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/symfony/symfony/security/advisories/GHSA-m7v2-7gxm-vc2v"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}, {"lang": "en", "value": "CWE-668"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.4.52)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.0.0-BETA1,6.4.40)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0-BETA1,7.4.12)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.0.0-BETA1,8.0.12)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "monolog-bridge", "source": "cna", "vendor": "symfony"}, "product": "monolog-bridge", "vendor": "symfony"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.4.52)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.0.0-BETA1,6.4.40)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0-BETA1,7.4.12)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.0.0-BETA1,8.0.12)"}}], "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": "2026-07-16T03:15:04.028495+00:00", "updated": "2026-08-01T09:30:03.831323+00:00", "vendors": ["symfony", "symfony$PRODUCT$monolog-bridge", "symfony$PRODUCT$symfony"]}