{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-116478", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-10-26T10:59:44.115Z", "datePublished": "2026-10-26T19:30:19.254Z", "dateUpdated": "2026-10-26T19:30:19.254Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-10-26T19:30:19.254Z"}, "title": "a2aproject a2a-go Push Notification agentexec.go CreateExecutor information exposure", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-209", "lang": "en", "description": "Information Exposure Through Error Message"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-200", "lang": "en", "description": "Information Disclosure"}]}], "affected": [{"vendor": "a2aproject", "product": "a2a-go", "versions": [{"version": "2.0", "status": "affected"}, {"version": "2.1", "status": "affected"}, {"version": "2.2", "status": "affected"}, {"version": "2.3", "status": "affected"}, {"version": "2.4.0", "status": "affected"}, {"version": "2.5.0", "status": "unaffected"}], "cpes": ["cpe:2.3:a:a2aproject:a2a-go:*:*:*:*:*:*:*:*"], "modules": ["Push Notification Handler"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in a2aproject a2a-go up to 2.4.0. This affects the function CreateExecutor of the file a2asrv/agentexec.go of the component Push Notification Handler. The manipulation results in information exposure through error message. It is possible to launch the attack remotely. Upgrading to version 2.5.0 mitigates this issue. The patch is identified as f4d588216b0c9520e94d571bab725c38ce23064c. It is recommended to upgrade the affected component."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N/E:ND/RL:OF/RC:C"}}], "timeline": [{"time": "2026-10-26T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-10-26T01:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-10-26T12:05:03.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "colorfullbz (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/vuln/426391", "name": "VDB-426391 | a2aproject a2a-go Push Notification agentexec.go CreateExecutor information exposure", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/426391/cti", "name": "VDB-426391 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-116478", "name": "CVE-2026-116478 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/1014887", "name": "Submit #1014887 | a2aproject a2a-go \u2264 v2.4.0 CWE-209", "tags": ["third-party-advisory"]}, {"url": "https://github.com/a2aproject/a2a-go/pull/393", "tags": ["issue-tracking", "patch"]}, {"url": "https://github.com/a2aproject/a2a-go/commit/f4d588216b0c9520e94d571bab725c38ce23064c", "tags": ["patch"]}, {"url": "https://github.com/a2aproject/a2a-go/releases/tag/v2.5.0", "tags": ["patch"]}, {"url": "https://github.com/a2aproject/a2a-go/", "tags": ["product"]}], "tags": ["x_open-source"], "x_generator": ["VulDB PVTS v202610"]}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:a2aproject:a2a-go:*:*:*:*:*:*:*:*"], "modules": ["Push Notification Handler"], "product": "a2a-go", "vendor": "a2aproject", "versions": [{"status": "affected", "version": "2.0"}, {"status": "affected", "version": "2.1"}, {"status": "affected", "version": "2.2"}, {"status": "affected", "version": "2.3"}, {"status": "affected", "version": "2.4.0"}, {"status": "unaffected", "version": "2.5.0"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in a2aproject a2a-go up to 2.4.0. This affects the function CreateExecutor of the file a2asrv/agentexec.go of the component Push Notification Handler. The manipulation results in information exposure through error message. It is possible to launch the attack remotely. Upgrading to version 2.5.0 mitigates this issue. The patch is identified as f4d588216b0c9520e94d571bab725c38ce23064c. It is recommended to upgrade the affected component."}], "id": "CVE-2026-116478", "lastModified": "2026-10-26T20:17:55.080", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "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": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/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": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-10-26T20:17:55.080", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/a2aproject/a2a-go/"}, {"source": "cna@vuldb.com", "url": "https://github.com/a2aproject/a2a-go/commit/f4d588216b0c9520e94d571bab725c38ce23064c"}, {"source": "cna@vuldb.com", "url": "https://github.com/a2aproject/a2a-go/pull/393"}, {"source": "cna@vuldb.com", "url": "https://github.com/a2aproject/a2a-go/releases/tag/v2.5.0"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-116478"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/1014887"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/426391"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/426391/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-209"}], "source": "cna@vuldb.com", "type": "Primary"}]}

{}

{"created": "2026-10-26T20:30:15.336932+00:00", "updated": "2026-10-26T20:30:15.336937+00:00", "vendors": []}