Medium severityNVD Advisory· Published Jul 28, 2026· Updated Jul 30, 2026
CVE-2026-48058
CVE-2026-48058
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/juev/nebula-meshGo | < 0.3.2 | 0.3.2 |
Affected products
2- Range: <0.3.2
- osv-coordsRange: < 0.0.20260723T184607-160000.1.1
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-rqfj-vv8r-xhqcghsaADVISORY
- github.com/forgekeep/nebula-mesh/commit/ffdd67dbf221d9a5855c39fbe11b49c245048d85nvdWEB
- github.com/juev/nebula-mesh/security/advisories/GHSA-rqfj-vv8r-xhqcghsaWEB
- github.com/forgekeep/nebula-mesh/releases/tag/v0.3.2nvd
- github.com/forgekeep/nebula-mesh/security/advisories/GHSA-rqfj-vv8r-xhqcnvd
News mentions
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