CVE-2026-48058— nebula-mesh: Session and OIDC state cookies lack the Secure attribute
Possible ATT&CK Techniques 1AI
T1557 · Adversary-in-the-MiddleAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| juev | nebula-mesh | < 0.3.2 | affected |
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I. Basic Information for CVE-2026-48058
Vulnerability Information
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Vulnerability Title
nebula-mesh: Session and OIDC state cookies lack the Secure attribute
Source: CVE Program / CVE List V5
Vulnerability Description
nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.2, internal/web/session.go and internal/web/oidc.go set HttpOnly and SameSite=Lax on every cookie but never Secure. A single plaintext request to the origin (operator on a LAN, mistyped URL, HTTP→HTTPS not strictly enforced, reverse proxy misconfiguration) discloses the session. This issue has been patched in version 0.3.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
Source: CVE Program / CVE List V5
Vulnerability Type
HTTPS会话中未设置’Secure’属性的敏感Cookie
Source: CVE Program / CVE List V5
Vulnerability Title
Forgekeep nebula-mesh 会话机制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Forgekeep nebula-mesh是Forgekeep团队的一系列网络代理和VPN整合软件。 Forgekeep nebula-mesh 0.3.2之前版本存在会话机制问题漏洞，该漏洞源于未在cookie中设置Secure标志，可能导致通过明文请求泄露会话。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| juev | nebula-mesh | < 0.3.2 | - |
II. Public POCs for CVE-2026-48058
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-48058 (1)
Other References for CVE-2026-48058 (1)
- 🔗 Release v0.3.2 · forgekeep/nebula-mesh · GitHubx_refsource_MISC
Same Patch Batch · juev · 2026-07-28 · 6 CVEs total
| CVE-2026-49258 | 8.8 HIGH | Nebula Mesh: Web UI lacks ownership checks, enabling cross-operator access to hosts and ne |
| CVE-2026-47726 | 7.1 HIGH | nebula-mesh: GET /api/v1/audit-log discloses all entries to any operator |
| CVE-2026-48025 | 6.9 MEDIUM | nebula-mesh: Decrypted CA private key persists in heap after signing |
| CVE-2026-47725 | 6.9 MEDIUM | nebula-mesh: Web UI lacks CSRF tokens on /ui/* mutating endpoints |
| CVE-2026-47768 | 5.5 MEDIUM | nebula-mesh: Newly-minted operator API key exposed in redirect URL (Referer, history, prox |
IV. Related Vulnerabilities
Same product: nebula-mesh
- CVE-2026-49258
Nebula Mesh: Web UI lacks ownership checks, enabling cross-o - CVE-2026-47768
nebula-mesh: Newly-minted operator API key exposed in redire - CVE-2026-47726
nebula-mesh: GET /api/v1/audit-log discloses all entries to - CVE-2026-47725
nebula-mesh: Web UI lacks CSRF tokens on /ui/* mutating endp - CVE-2026-48025
nebula-mesh: Decrypted CA private key persists in heap after
Same vendor: juev
- CVE-2026-49258
Nebula Mesh: Web UI lacks ownership checks, enabling cross-o - CVE-2026-47768
nebula-mesh: Newly-minted operator API key exposed in redire - CVE-2026-47726
nebula-mesh: GET /api/v1/audit-log discloses all entries to - CVE-2026-47725
nebula-mesh: Web UI lacks CSRF tokens on /ui/* mutating endp - CVE-2026-48025
nebula-mesh: Decrypted CA private key persists in heap after
Same weakness: CWE-614
- CVE-2026-56581
HCL MyCloud was affected with Cookie Attribute Path Not Set - CVE-2024-23572
HCL Aftermarket EPC 会话机制问题漏洞 - CVE-2026-46550
NocoDB: Refresh Token Cookie Set Without `Secure` and `SameS - CVE-2026-53661
boruta-server sent sensitive session cookies without the Sec - CVE-2026-11956
TwiN gatus OIDC Session Cookie oidc.go setSessionCookie miss
V. Comments for CVE-2026-48058
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