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CVE-2026-47725— nebula-mesh: Web UI lacks CSRF tokens on /ui/* mutating endpoints

Quick assessment

Affected
juev nebula-mesh
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Forgekeep nebula-mesh是Forgekeep团队的一系列网络代理和VPN整合软件。 Forgekeep nebula-mesh 0.3.3之前版本存在跨站请求伪造漏洞，该漏洞源于会话cookie验证后立即处理请求，导致容易受到跨站请求伪造攻击。

CVSS 6.9 · Medium EPSS 0.22% · P11

Affected Version Matrix 1

VendorProduct Version RangeStatus
juev nebula-mesh < 0.3.3 affected
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I. Basic Information for CVE-2026-47725

Vulnerability Information
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Vulnerability Title
nebula-mesh: Web UI lacks CSRF tokens on /ui/* mutating endpoints
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 0.3.3, every /ui/* POST / PUT / PATCH / DELETE route processes the request as soon as the session cookie validates. SameSite=Lax on the session cookie prevents most cross-site form submits but does not protect: top-level form-submit navigations from third-party pages (some browsers still send Lax cookies on top-level POSTs); same-registrable-domain attackers (sibling-subdomain XSS, subdomain takeover); the GET /ui/logout route, which a third-party <img src=".../ui/logout"> can force-trigger. This issue has been patched in version 0.3.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Forgekeep nebula-mesh 跨站请求伪造漏洞
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 0.3.3之前版本存在跨站请求伪造漏洞，该漏洞源于会话cookie验证后立即处理请求，导致容易受到跨站请求伪造攻击。
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 < 0.3.3 -

II. Public POCs for CVE-2026-47725

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III. Intelligence Information for CVE-2026-47725

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Vendor Advisories for CVE-2026-47725 (1)

Vendor Pages for CVE-2026-47725 (1)

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-2026-47768 5.5 MEDIUM nebula-mesh: Newly-minted operator API key exposed in redirect URL (Referer, history, prox
CVE-2026-48058 4.6 MEDIUM nebula-mesh: Session and OIDC state cookies lack the Secure attribute

IV. Related Vulnerabilities

Same product: nebula-mesh
Same vendor: juev
Same weakness: CWE-352

V. Comments for CVE-2026-47725

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