{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-48025", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-20T17:44:09.587Z", "datePublished": "2026-07-28T17:40:37.329Z", "dateUpdated": "2026-07-29T13:55:01.392Z"}, "containers": {"cna": {"title": "nebula-mesh: Decrypted CA private key persists in heap after signing", "problemTypes": [{"descriptions": [{"cweId": "CWE-244", "lang": "en", "description": "CWE-244: Improper Clearing of Heap Memory Before Release ('Heap Inspection')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM", "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", "version": "4.0"}}], "references": [{"name": "https://github.com/forgekeep/nebula-mesh/security/advisories/GHSA-8h84-fhqq-q58v", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/forgekeep/nebula-mesh/security/advisories/GHSA-8h84-fhqq-q58v"}, {"name": "https://github.com/forgekeep/nebula-mesh/commit/bca1d5914fbaf3517d3b86145a802c00de4a8122", "tags": ["x_refsource_MISC"], "url": "https://github.com/forgekeep/nebula-mesh/commit/bca1d5914fbaf3517d3b86145a802c00de4a8122"}, {"name": "https://github.com/forgekeep/nebula-mesh/releases/tag/v0.3.7", "tags": ["x_refsource_MISC"], "url": "https://github.com/forgekeep/nebula-mesh/releases/tag/v0.3.7"}], "affected": [{"vendor": "juev", "product": "nebula-mesh", "versions": [{"version": "< 0.3.7", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-28T17:40:37.329Z"}, "descriptions": [{"lang": "en", "value": "nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.7, internal/pki/resolver.go:36-64 constructs a CAManager with the plaintext ed25519.PrivateKey after unwrapping via the master key; internal/pki/ca.go:13-16 stores it. Callers at internal/api/enroll.go:116, internal/api/updates.go:297, and internal/api/mobile_bundle.go:40 use the manager for one Sign() and drop the reference on function return \u2014 but the underlying slice contents are not wiped before release. The keystore package's contract (internal/keystore/keystore.go doc: \"Callers MUST zeroise the returned plaintext DEK as soon as it is no longer needed\") is not met by the CAManager consumer. Decrypted CA private keys persist in process heap until Go's GC scavenges the underlying slice \u2014 minutes to hours under load, indefinitely on idle servers. This issue has been patched in version 0.3.7."}], "source": {"advisory": "GHSA-8h84-fhqq-q58v", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-29T13:54:53.423099Z", "id": "CVE-2026-48025", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2026-07-29T13:55:01.392Z"}}]}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.3.7)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "nebula-mesh", "source": "cna", "vendor": "juev"}, "product": "nebula-mesh", "vendor": "juev"}], "created": "2026-07-28T20:15:03.776974+00:00", "updated": "2026-07-28T20:15:03.776996+00:00", "vendors": ["juev", "juev$PRODUCT$nebula-mesh"]}