CVE-2026-48025

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Source
https://cve.org/CVERecord?id=CVE-2026-48025
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-48025.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-48025
Aliases
Downstream
Related
Published
2026-07-28T17:40:37Z
Modified
2026-08-12T03:51:09Z
Severity
  • 6.9 (Medium) CVSS_V4 - 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 CVSS Calculator
Summary
nebula-mesh: Decrypted CA private key persists in heap after signing
Details

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 — 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 — minutes to hours under load, indefinitely on idle servers. This issue has been patched in version 0.3.7.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-244"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48025.json"
}
References

Affected packages

Git / github.com/forgekeep/nebula-mesh

Affected ranges

Type
GIT
Repo
https://github.com/forgekeep/nebula-mesh
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
bca1d5914fbaf3517d3b86145a802c00de4a8122
Fixed
01e9fae8cbff05ee4c9cf04b14f712205e05517d
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.3.7"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ]
}

Affected versions

v0.*
v0.1.0
v0.1.1
v0.1.2
v0.2.0
v0.3.0
v0.3.1
v0.3.2
v0.3.3
v0.3.4
v0.3.5
v0.3.6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-48025.json"