Vulnerability · Published Jul 28, 2026 · Assigned by GitHub_M
CVE-2026-47768nebula-mesh: Newly-minted operator API key exposed in redirect URL (Referer, history, proxy logs)
Medium 5.5
In plain English
A medium-severity security flaw in nebula-mesh from juev. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 95.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.2, newly-minted operator API key exposed in redirect URL (Referer, history, proxy logs). This issue has been patched in version 0.3.2.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/juev/nebula-mesh | 0.3.2 | GHSA-9pg3-25fq-p6cc |
| Go | github.com/juev/nebula-mesh | 0.3.2 | GO-2026-5294 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| juev | nebula-mesh | < 0.3.2 |
Weakness: CWE-598 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- https://github.com/forgekeep/nebula-mesh/security/advisories/GHSA-9pg3-25fq-p6cc x_refsource_CONFIRM
- https://github.com/forgekeep/nebula-mesh/releases/tag/v0.3.2 x_refsource_MISC