{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54736", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T23:07:33.233Z", "datePublished": "2026-07-10T21:02:53.873Z", "dateUpdated": "2026-07-13T18:01:40.822Z"}, "containers": {"cna": {"title": "Phalcon: Non-constant-time HMAC verification in `Encryption\\Crypt::decrypt` (timing side-channel)", "problemTypes": [{"descriptions": [{"cweId": "CWE-208", "lang": "en", "description": "CWE-208: Observable Timing Discrepancy", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-347", "lang": "en", "description": "CWE-347: Improper Verification of Cryptographic Signature", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/phalcon/cphalcon/security/advisories/GHSA-8jqh-95g6-7jpj", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/phalcon/cphalcon/security/advisories/GHSA-8jqh-95g6-7jpj"}, {"name": "https://github.com/phalcon/cphalcon/issues/17090", "tags": ["x_refsource_MISC"], "url": "https://github.com/phalcon/cphalcon/issues/17090"}, {"name": "https://github.com/phalcon/cphalcon/pull/17091", "tags": ["x_refsource_MISC"], "url": "https://github.com/phalcon/cphalcon/pull/17091"}, {"name": "https://github.com/phalcon/cphalcon/commit/ad53ab1b2e7ec59b3af92b0b37b8aaa099011137", "tags": ["x_refsource_MISC"], "url": "https://github.com/phalcon/cphalcon/commit/ad53ab1b2e7ec59b3af92b0b37b8aaa099011137"}, {"name": "https://github.com/phalcon/cphalcon/releases/tag/v5.14.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/phalcon/cphalcon/releases/tag/v5.14.1"}], "affected": [{"vendor": "phalcon", "product": "cphalcon", "versions": [{"version": "< 5.14.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-10T21:02:53.873Z"}, "descriptions": [{"lang": "en", "value": "Phalcon is a high-performance, full-stack PHP framework. Prior to 5.14.1, Phalcon\\Encryption\\Crypt::decrypt compares the attacker-supplied HMAC tag against the freshly computed HMAC using PHP/Zephir identity comparison, which lowers to a byte-wise comparison that returns early on the first differing byte. This observable timing discrepancy can allow an attacker to recover a valid tag byte-by-byte and attach it to a chosen IV and ciphertext so that decrypt() accepts tampered encrypted content as authentic. This issue is fixed in version 5.14.1."}], "source": {"advisory": "GHSA-8jqh-95g6-7jpj", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-13T18:01:29.598956Z", "id": "CVE-2026-54736", "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": "2026-07-13T18:01:40.822Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-54736", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-13T18:01:29.598956Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-13T18:01:36.681Z"}}], "cna": {"title": "Phalcon: Non-constant-time HMAC verification in `Encryption\\Crypt::decrypt` (timing side-channel)", "source": {"advisory": "GHSA-8jqh-95g6-7jpj", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}], "affected": [{"vendor": "phalcon", "product": "cphalcon", "versions": [{"status": "affected", "version": "< 5.14.1"}]}], "references": [{"url": "https://github.com/phalcon/cphalcon/security/advisories/GHSA-8jqh-95g6-7jpj", "name": "https://github.com/phalcon/cphalcon/security/advisories/GHSA-8jqh-95g6-7jpj", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/phalcon/cphalcon/issues/17090", "name": "https://github.com/phalcon/cphalcon/issues/17090", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/phalcon/cphalcon/pull/17091", "name": "https://github.com/phalcon/cphalcon/pull/17091", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/phalcon/cphalcon/commit/ad53ab1b2e7ec59b3af92b0b37b8aaa099011137", "name": "https://github.com/phalcon/cphalcon/commit/ad53ab1b2e7ec59b3af92b0b37b8aaa099011137", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/phalcon/cphalcon/releases/tag/v5.14.1", "name": "https://github.com/phalcon/cphalcon/releases/tag/v5.14.1", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Phalcon is a high-performance, full-stack PHP framework. Prior to 5.14.1, Phalcon\\Encryption\\Crypt::decrypt compares the attacker-supplied HMAC tag against the freshly computed HMAC using PHP/Zephir identity comparison, which lowers to a byte-wise comparison that returns early on the first differing byte. This observable timing discrepancy can allow an attacker to recover a valid tag byte-by-byte and attach it to a chosen IV and ciphertext so that decrypt() accepts tampered encrypted content as authentic. This issue is fixed in version 5.14.1."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-208", "description": "CWE-208: Observable Timing Discrepancy"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-347", "description": "CWE-347: Improper Verification of Cryptographic Signature"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-10T21:02:53.873Z"}}}, "cveMetadata": {"cveId": "CVE-2026-54736", "state": "PUBLISHED", "dateUpdated": "2026-07-13T18:01:40.822Z", "dateReserved": "2026-06-15T23:07:33.233Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-07-10T21:02:53.873Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "cphalcon", "vendor": "phalcon", "versions": [{"status": "affected", "version": "< 5.14.1"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Phalcon is a high-performance, full-stack PHP framework. Prior to 5.14.1, Phalcon\\Encryption\\Crypt::decrypt compares the attacker-supplied HMAC tag against the freshly computed HMAC using PHP/Zephir identity comparison, which lowers to a byte-wise comparison that returns early on the first differing byte. This observable timing discrepancy can allow an attacker to recover a valid tag byte-by-byte and attach it to a chosen IV and ciphertext so that decrypt() accepts tampered encrypted content as authentic. This issue is fixed in version 5.14.1."}], "id": "CVE-2026-54736", "lastModified": "2026-07-13T19:21:55.683", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.2, "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:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/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": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "[email protected]", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54736", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-13T18:01:29.598956Z", "version": "2.0.3"}}]}, "published": "2026-07-10T22:16:42.970", "references": [{"source": "[email protected]", "url": "https://github.com/phalcon/cphalcon/commit/ad53ab1b2e7ec59b3af92b0b37b8aaa099011137"}, {"source": "[email protected]", "url": "https://github.com/phalcon/cphalcon/issues/17090"}, {"source": "[email protected]", "url": "https://github.com/phalcon/cphalcon/pull/17091"}, {"source": "[email protected]", "url": "https://github.com/phalcon/cphalcon/releases/tag/v5.14.1"}, {"source": "[email protected]", "url": "https://github.com/phalcon/cphalcon/security/advisories/GHSA-8jqh-95g6-7jpj"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-208"}, {"lang": "en", "value": "CWE-347"}], "source": "[email protected]", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.14.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "cphalcon", "source": "cna", "vendor": "phalcon"}, "product": "cphalcon", "vendor": "phalcon"}], "created": "2026-07-11T10:30:05.144459+00:00", "updated": "2026-08-01T12:15:03.408719+00:00", "vendors": ["phalcon", "phalcon$PRODUCT$cphalcon"]}