CVE•Published 2026-07-28•Modified 2026-07-30•0 articles on news•4 live references•NVD data
CVE-2026-48058
Vulnerability data via NVD (ingested)
CVSS v3.1
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EPSS percentile
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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.
Timeline
Published 2026-07-28
Modified 2026-07-30
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-48058Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-48058Censys host search filtered to this CVE id.
grep.app
CVE-2026-48058Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-48058GitHub code search for direct mentions.
Google dork
"CVE-2026-48058" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-48058 on GitHub.
We haven't classified any articles referencing CVE-2026-48058 yet. The external references above still apply.